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121210132312230 = 235133071012362251
BaseRepresentation
bin11011100011110101101110…
…111000010011000010100110
3120220011120112112012221022020
4123203311232320103002212
5111341401322332442410
61105443055512044010
734350100034133123
oct3343655670230246
9526146475187266
10121210132312230
1135691a23826465
1211717404093606
1352830b2c49bb0
1421d085d11d74a
15e02e48b37a70
hex6e3d6ee130a6

121210132312230 has 64 divisors (see below), whose sum is σ = 314302034204928. Its totient is φ = 29739153456000.

The previous prime is 121210132312229. The next prime is 121210132312237. The reversal of 121210132312230 is 32213231012121.

It is a self number, because there is not a number n which added to its sum of digits gives 121210132312230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210132312237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506061396 + ... + 506300855.

It is an arithmetic number, because the mean of its divisors is an integer number (4910969284452).

Almost surely, 2121210132312230 is an apocalyptic number.

121210132312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210132312230 is an abundant number, since it is smaller than the sum of its proper divisors (193091901892698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210132312230 is a wasteful number, since it uses less digits than its factorization.

121210132312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012362581.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121210132312230 its reverse (32213231012121), we get a palindrome (153423363324351).

The spelling of 121210132312230 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred thirty-two million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 307 390 614 921 1535 1842 3070 3991 4605 7982 9210 11973 19955 23946 39910 59865 119730 1012362251 2024724502 3037086753 5061811255 6074173506 10123622510 13160709263 15185433765 26321418526 30370867530 39482127789 65803546315 78964255578 131607092630 197410638945 310795211057 394821277890 621590422114 932385633171 1553976055285 1864771266342 3107952110570 4040337743741 4661928165855 8080675487482 9323856331710 12121013231223 20201688718705 24242026462446 40403377437410 60605066156115 121210132312230