210605087972 has 12 divisors (see below), whose sum is σ = 368565138480. Its totient is φ = 105300762696.

The previous prime is 210605087971. The next prime is 210605087989. The reversal of 210605087972 is 279780506012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210605087971) 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, 158822 + ... + 668157.

It is an arithmetic number, because the mean of its divisors is an integer number (30713761540).

Almost surely, 2^210605087972 is an apocalyptic number.

It is an amenable number.

210605087972 is a deficient number, since it is larger than the sum of its proper divisors (157960050508).

210605087972 is a wasteful number, since it uses less digits than its factorization.

210605087972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890650 (or 890648 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 210605087972 in words is "two hundred ten billion, six hundred five million, eighty-seven thousand, nine hundred seventy-two".