32131213010020 has 96 divisors (see below), whose sum is σ = 68393375043840. Its totient is φ = 12678582067200.

The previous prime is 32131213010003. The next prime is 32131213010041. The reversal of 32131213010020 is 2001031213123.

It is a self number, because there is not a number n which added to its sum of digits gives 32131213010020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895076712 + ... + 895112608.

It is an arithmetic number, because the mean of its divisors is an integer number (712430990040).

Almost surely, 2^{32131213010020} is an apocalyptic number.

It is an amenable number.

32131213010020 is an abundant number, since it is smaller than the sum of its proper divisors (36262162033820).

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

32131213010020 is a wasteful number, since it uses less digits than its factorization.

32131213010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37493 (or 37491 counting only the distinct ones).

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

Adding to 32131213010020 its reverse (2001031213123), we get a palindrome (34132244223143).

The spelling of 32131213010020 in words is "thirty-two trillion, one hundred thirty-one billion, two hundred thirteen million, ten thousand, twenty".