120011211988 has 6 divisors (see below), whose sum is σ = 210019620986. Its totient is φ = 60005605992.

The previous prime is 120011211979. The next prime is 120011212007. The reversal of 120011211988 is 889112110021.

It can be written as a sum of positive squares in only one way, i.e., 88121109904 + 31890102084 = 296852^2 + 178578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001401495 + ... + 15001401502.

Almost surely, 2^120011211988 is an apocalyptic number.

It is an amenable number.

120011211988 is a deficient number, since it is larger than the sum of its proper divisors (90008408998).

120011211988 is a wasteful number, since it uses less digits than its factorization.

120011211988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002803001 (or 30002802999 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

The spelling of 120011211988 in words is "one hundred twenty billion, eleven million, two hundred eleven thousand, nine hundred eighty-eight".