210012099976 has 24 divisors (see below), whose sum is σ = 458062106670. Its totient is φ = 90005185536.

The previous prime is 210012099943. The next prime is 210012100003. The reversal of 210012099976 is 679990210012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159301563876 + 50710536100 = 399126^2 + 225190^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 267872185 + ... + 267872968.

Almost surely, 2^210012099976 is an apocalyptic number.

It is an amenable number.

210012099976 is an abundant number, since it is smaller than the sum of its proper divisors (248050006694).

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

210012099976 is a wasteful number, since it uses less digits than its factorization.

210012099976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535745173 (or 535745162 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 210012099976 in words is "two hundred ten billion, twelve million, ninety-nine thousand, nine hundred seventy-six".