20120210012016 has 80 divisors (see below), whose sum is σ = 57753007474720. Its totient is φ = 6706672473600.

The previous prime is 20120210012003. The next prime is 20120210012017. The reversal of 20120210012016 is 61021001202102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20120210012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120210012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72053466 + ... + 72332166.

It is an arithmetic number, because the mean of its divisors is an integer number (721912593434).

Almost surely, 2^{20120210012016} is an apocalyptic number.

It is an amenable number.

20120210012016 is an abundant number, since it is smaller than the sum of its proper divisors (37632797462704).

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

20120210012016 is a wasteful number, since it uses less digits than its factorization.

20120210012016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445831 (or 445819 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20120210012016 its reverse (61021001202102), we get a palindrome (81141211214118).

The spelling of 20120210012016 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, twelve thousand, sixteen".