121901635360 has 24 divisors (see below), whose sum is σ = 287992613916. Its totient is φ = 48760654080.

The previous prime is 121901635357. The next prime is 121901635381. The reversal of 121901635360 is 63536109121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121658649616 + 242985744 = 348796^2 + 15588^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380942451 + ... + 380942770.

Almost surely, 2^121901635360 is an apocalyptic number.

121901635360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121901635360 is an abundant number, since it is smaller than the sum of its proper divisors (166090978556).

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

121901635360 is an equidigital number, since it uses as much as digits as its factorization.

121901635360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761885236 (or 761885228 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 121901635360 in words is "one hundred twenty-one billion, nine hundred one million, six hundred thirty-five thousand, three hundred sixty".