200102120992 has 24 divisors (see below), whose sum is σ = 402332990976. Its totient is φ = 97922313792.

The previous prime is 200102120969. The next prime is 200102120993. The reversal of 200102120992 is 299021201002.

It is a self number, because there is not a number n which added to its sum of digits gives 200102120992.

It is not an unprimeable number, because it can be changed into a prime (200102120993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66521808 + ... + 66524815.

It is an arithmetic number, because the mean of its divisors is an integer number (16763874624).

Almost surely, 2^200102120992 is an apocalyptic number.

It is an amenable number.

200102120992 is an abundant number, since it is smaller than the sum of its proper divisors (202230869984).

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

200102120992 is a wasteful number, since it uses less digits than its factorization.

200102120992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133046680 (or 133046672 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 200102120992 its reverse (299021201002), we get a palindrome (499123321994).

The spelling of 200102120992 in words is "two hundred billion, one hundred two million, one hundred twenty thousand, nine hundred ninety-two".