121420970932 has 6 divisors (see below), whose sum is σ = 212486699138. Its totient is φ = 60710485464.

The previous prime is 121420970917. The next prime is 121420970933. The reversal of 121420970932 is 239079024121.

It can be written as a sum of positive squares in only one way, i.e., 79115063076 + 42305907856 = 281274^2 + 205684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121420970933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177621363 + ... + 15177621370.

Almost surely, 2^121420970932 is an apocalyptic number.

It is an amenable number.

121420970932 is a deficient number, since it is larger than the sum of its proper divisors (91065728206).

121420970932 is a wasteful number, since it uses less digits than its factorization.

121420970932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30355242737 (or 30355242735 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 121420970932 in words is "one hundred twenty-one billion, four hundred twenty million, nine hundred seventy thousand, nine hundred thirty-two".