121219585104 has 20 divisors (see below), whose sum is σ = 313150594976. Its totient is φ = 40406528352.

The previous prime is 121219585087. The next prime is 121219585177. The reversal of 121219585104 is 401585912121.

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, 1262703964 + ... + 1262704059.

Almost surely, 2^121219585104 is an apocalyptic number.

It is an amenable number.

121219585104 is an abundant number, since it is smaller than the sum of its proper divisors (191931009872).

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

121219585104 is a wasteful number, since it uses less digits than its factorization.

121219585104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525408034 (or 2525408028 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The spelling of 121219585104 in words is "one hundred twenty-one billion, two hundred nineteen million, five hundred eighty-five thousand, one hundred four".