121202020112 has 40 divisors (see below), whose sum is σ = 241212394752. Its totient is φ = 58961721600.

The previous prime is 121202020099. The next prime is 121202020123. The reversal of 121202020112 is 211020202121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10964 + ... + 492467.

Almost surely, 2^121202020112 is an apocalyptic number.

It is an amenable number.

121202020112 is a deficient number, since it is larger than the sum of its proper divisors (120010374640).

121202020112 is a wasteful number, since it uses less digits than its factorization.

121202020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503847 (or 503841 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121202020112 its reverse (211020202121), we get a palindrome (332222222233).

The spelling of 121202020112 in words is "one hundred twenty-one billion, two hundred two million, twenty thousand, one hundred twelve".