201200121988 has 12 divisors (see below), whose sum is σ = 354633309520. Its totient is φ = 99876319272.

The previous prime is 201200121971. The next prime is 201200122031. The reversal of 201200121988 is 889121002102.

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, 180934806 + ... + 180935917.

Almost surely, 2^201200121988 is an apocalyptic number.

It is an amenable number.

201200121988 is a deficient number, since it is larger than the sum of its proper divisors (153433187532).

201200121988 is a wasteful number, since it uses less digits than its factorization.

201200121988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361870866 (or 361870864 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 201200121988 in words is "two hundred one billion, two hundred million, one hundred twenty-one thousand, nine hundred eighty-eight".