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121310213312010 = 23521174771256307
BaseRepresentation
bin11011100101010010111100…
…001011000000111000001010
3120220112010212100021111100210
4123211102330023000320022
5111400021304101441020
61110001050451141550
734360242113450442
oct3345227413007012
9526463770244323
10121310213312010
1135720410955928
1211732894ba48b6
13528c672479aa8
1421d5634c27122
15e058550223e0
hex6e54bc2c0e0a

121310213312010 has 64 divisors (see below), whose sum is σ = 292529397348864. Its totient is φ = 32195519361600.

The previous prime is 121310213311967. The next prime is 121310213312033. The reversal of 121310213312010 is 10213312013121.

It is a super-2 number, since 2×1213102133120102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473172277 + ... + 473428583.

It is an arithmetic number, because the mean of its divisors is an integer number (4570771833576).

Almost surely, 2121310213312010 is an apocalyptic number.

121310213312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310213312010 is an abundant number, since it is smaller than the sum of its proper divisors (171219184036854).

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

121310213312010 is a wasteful number, since it uses less digits than its factorization.

121310213312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331299.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121310213312010 its reverse (10213312013121), we get a palindrome (131523525325131).

The spelling of 121310213312010 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred thirteen million, three hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 211 422 633 1055 1266 2110 3165 6330 74771 149542 224313 256307 373855 448626 512614 747710 768921 1121565 1281535 1537842 2243130 2563070 3844605 7689210 15776681 31553362 47330043 54080777 78883405 94660086 108161554 157766810 162242331 236650215 270403885 324484662 473300430 540807770 811211655 1622423310 19164330697 38328661394 57492992091 95821653485 114985984182 191643306970 287464960455 574929920910 4043673777067 8087347554134 12131021331201 20218368885335 24262042662402 40436737770670 60655106656005 121310213312010