210526164999012 has 12 divisors (see below), whose sum is σ = 491227718331056. Its totient is φ = 70175388333000.

The previous prime is 210526164998999. The next prime is 210526164999043. The reversal of 210526164999012 is 210999461625012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×210526164999012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8771923541614 + ... + 8771923541637.

Almost surely, 2^{210526164999012} is an apocalyptic number.

It is an amenable number.

210526164999012 is an abundant number, since it is smaller than the sum of its proper divisors (280701553332044).

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

210526164999012 is a wasteful number, since it uses less digits than its factorization.

210526164999012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17543847083258 (or 17543847083256 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 210526164999012 in words is "two hundred ten trillion, five hundred twenty-six billion, one hundred sixty-four million, nine hundred ninety-nine thousand, twelve".