20136432612712 has 32 divisors (see below), whose sum is σ = 40662766960200. Its totient is φ = 9293129524224.

The previous prime is 20136432612689. The next prime is 20136432612749. The reversal of 20136432612712 is 21721623463102.

It can be written as a sum of positive squares in 4 ways, for example, as 11615322831876 + 8521109780836 = 3408126^2 + 2919094^2 .

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 7 ways as a sum of consecutive naturals, for example, 4741933 + ... + 7922044.

Almost surely, 2^{20136432612712} is an apocalyptic number.

It is an amenable number.

20136432612712 is an abundant number, since it is smaller than the sum of its proper divisors (20526334347488).

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

20136432612712 is a wasteful number, since it uses less digits than its factorization.

20136432612712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12679285 (or 12679281 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 20136432612712 in words is "twenty trillion, one hundred thirty-six billion, four hundred thirty-two million, six hundred twelve thousand, seven hundred twelve".