210021313132 has 12 divisors (see below), whose sum is σ = 376501622616. Its totient is φ = 102449420960.

The previous prime is 210021313109. The next prime is 210021313133. The reversal of 210021313132 is 231313120012.

It is not an unprimeable number, because it can be changed into a prime (210021313133) 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, 640308718 + ... + 640309045.

It is an arithmetic number, because the mean of its divisors is an integer number (31375135218).

Almost surely, 2^210021313132 is an apocalyptic number.

It is an amenable number.

210021313132 is a deficient number, since it is larger than the sum of its proper divisors (166480309484).

210021313132 is a wasteful number, since it uses less digits than its factorization.

210021313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280617808 (or 1280617806 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210021313132 its reverse (231313120012), we get a palindrome (441334433144).

The spelling of 210021313132 in words is "two hundred ten billion, twenty-one million, three hundred thirteen thousand, one hundred thirty-two".