121049472628 has 12 divisors (see below), whose sum is σ = 242098945312. Its totient is φ = 51878345400.

The previous prime is 121049472539. The next prime is 121049472631. The reversal of 121049472628 is 826274940121.

121049472628 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2161597698 + ... + 2161597753.

Almost surely, 2^121049472628 is an apocalyptic number.

It is an amenable number.

121049472628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121049472628 is a wasteful number, since it uses less digits than its factorization.

121049472628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323195462 (or 4323195460 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 121049472628 in words is "one hundred twenty-one billion, forty-nine million, four hundred seventy-two thousand, six hundred twenty-eight".