32121321310012 has 36 divisors (see below), whose sum is σ = 61788556802448. Its totient is φ = 14600253289600.

The previous prime is 32121321310007. The next prime is 32121321310021. The reversal of 32121321310012 is 21001312312123.

It is a super-2 number, since 2×32121321310012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20152212 + ... + 21687652.

It is an arithmetic number, because the mean of its divisors is an integer number (1716348800068).

Almost surely, 2^{32121321310012} is an apocalyptic number.

It is an amenable number.

32121321310012 is a deficient number, since it is larger than the sum of its proper divisors (29667235492436).

32121321310012 is a wasteful number, since it uses less digits than its factorization.

32121321310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578690 (or 1578677 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 32121321310012 its reverse (21001312312123), we get a palindrome (53122633622135).

The spelling of 32121321310012 in words is "thirty-two trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred ten thousand, twelve".