121365227308368 has 80 divisors (see below), whose sum is σ = 323682007597056. Its totient is φ = 39145065087360.

The previous prime is 121365227308327. The next prime is 121365227308447. The reversal of 121365227308368 is 863803722563121.

It is a super-2 number, since 2×121365227308368² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6427621 + ... + 16853627.

Almost surely, 2^{121365227308368} is an apocalyptic number.

It is an amenable number.

121365227308368 is an abundant number, since it is smaller than the sum of its proper divisors (202316780288688).

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

121365227308368 is a wasteful number, since it uses less digits than its factorization.

121365227308368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433872 (or 10433866 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 121365227308368 in words is "one hundred twenty-one trillion, three hundred sixty-five billion, two hundred twenty-seven million, three hundred eight thousand, three hundred sixty-eight".