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121210203310230 = 2355217754971421
BaseRepresentation
bin11011100011110101110011…
…000111001000100010010110
3120220011120201110211000020210
4123203311303013020202112
5111341401444021411410
61105443110525510250
734350101555454306
oct3343656307104226
9526146643730223
10121210203310230
1135691a5a9092a1
1211717423a12386
1352830c4877a48
1421d0868721606
15e02e4eeae220
hex6e3d731c8896

121210203310230 has 32 divisors (see below), whose sum is σ = 291462845924448. Its totient is φ = 32260681107200.

The previous prime is 121210203310199. The next prime is 121210203310237. The reversal of 121210203310230 is 32013302012121.

121210203310230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121210203310197 and 121210203310206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210203310237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877470081 + ... + 3877501340.

It is an arithmetic number, because the mean of its divisors is an integer number (9108213935139).

Almost surely, 2121210203310230 is an apocalyptic number.

121210203310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210203310230 is an abundant number, since it is smaller than the sum of its proper divisors (170252642614218).

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

121210203310230 is a wasteful number, since it uses less digits than its factorization.

121210203310230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754971952.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121210203310230 its reverse (32013302012121), we get a palindrome (153223505322351).

The spelling of 121210203310230 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred three million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 521 1042 1563 2605 3126 5210 7815 15630 7754971421 15509942842 23264914263 38774857105 46529828526 77549714210 116324571315 232649142630 4040340110341 8080680220682 12121020331023 20201700551705 24242040662046 40403401103410 60605101655115 121210203310230