121507664362 has 16 divisors (see below), whose sum is σ = 209389427712. Its totient is φ = 51802069680.

The previous prime is 121507664359. The next prime is 121507664371. The reversal of 121507664362 is 263466705121.

It is a super-2 number, since 2×121507664362² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22717533 + ... + 22722880.

It is an arithmetic number, because the mean of its divisors is an integer number (13086839232).

Almost surely, 2^121507664362 is an apocalyptic number.

121507664362 is a deficient number, since it is larger than the sum of its proper divisors (87881763350).

121507664362 is a wasteful number, since it uses less digits than its factorization.

121507664362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45440613.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 121507664362 in words is "one hundred twenty-one billion, five hundred seven million, six hundred sixty-four thousand, three hundred sixty-two".