32640220036212 has 12 divisors (see below), whose sum is σ = 76160513417856. Its totient is φ = 10880073345400.

The previous prime is 32640220036153. The next prime is 32640220036223. The reversal of 32640220036212 is 21263002204623.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360009168164 + ... + 1360009168187.

It is an arithmetic number, because the mean of its divisors is an integer number (6346709451488).

Almost surely, 2^{32640220036212} is an apocalyptic number.

It is an amenable number.

32640220036212 is an abundant number, since it is smaller than the sum of its proper divisors (43520293381644).

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

32640220036212 is a wasteful number, since it uses less digits than its factorization.

32640220036212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720018336358 (or 2720018336356 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 32640220036212 in words is "thirty-two trillion, six hundred forty billion, two hundred twenty million, thirty-six thousand, two hundred twelve".