20116525013212 has 12 divisors (see below), whose sum is σ = 35440186685400. Its totient is φ = 9990757388816.

The previous prime is 20116525013203. The next prime is 20116525013219. The reversal of 20116525013212 is 21231052561102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116525013219) 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, 16876278778 + ... + 16876279969.

It is an arithmetic number, because the mean of its divisors is an integer number (2953348890450).

Almost surely, 2^{20116525013212} is an apocalyptic number.

It is an amenable number.

20116525013212 is a deficient number, since it is larger than the sum of its proper divisors (15323661672188).

20116525013212 is a wasteful number, since it uses less digits than its factorization.

20116525013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33752558900 (or 33752558898 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 20116525013212 its reverse (21231052561102), we get a palindrome (41347577574314).

The spelling of 20116525013212 in words is "twenty trillion, one hundred sixteen billion, five hundred twenty-five million, thirteen thousand, two hundred twelve".