121604160210 has 32 divisors (see below), whose sum is σ = 314299984320. Its totient is φ = 29933331648.

The previous prime is 121604160191. The next prime is 121604160247. The reversal of 121604160210 is 12061406121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155902380 + ... + 155903159.

It is an arithmetic number, because the mean of its divisors is an integer number (9821874510).

Almost surely, 2^121604160210 is an apocalyptic number.

121604160210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121604160210 is an abundant number, since it is smaller than the sum of its proper divisors (192695824110).

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

121604160210 is a wasteful number, since it uses less digits than its factorization.

121604160210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311805562.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 121604160210 its reverse (12061406121), we get a palindrome (133665566331).

The spelling of 121604160210 in words is "one hundred twenty-one billion, six hundred four million, one hundred sixty thousand, two hundred ten".