121545425212 has 6 divisors (see below), whose sum is σ = 212704494128. Its totient is φ = 60772712604.

The previous prime is 121545425207. The next prime is 121545425213. The reversal of 121545425212 is 212524545121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121545425213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15193178148 + ... + 15193178155.

Almost surely, 2^121545425212 is an apocalyptic number.

It is an amenable number.

121545425212 is a deficient number, since it is larger than the sum of its proper divisors (91159068916).

121545425212 is a wasteful number, since it uses less digits than its factorization.

121545425212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30386356307 (or 30386356305 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The spelling of 121545425212 in words is "one hundred twenty-one billion, five hundred forty-five million, four hundred twenty-five thousand, two hundred twelve".