20101012101012 has 24 divisors (see below), whose sum is σ = 46918440622816. Its totient is φ = 6698040359328.

The previous prime is 20101012100999. The next prime is 20101012101017. The reversal of 20101012101012 is 21010121010102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101012101017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287089498 + ... + 287159505.

Almost surely, 2^{20101012101012} is an apocalyptic number.

It is an amenable number.

20101012101012 is an abundant number, since it is smaller than the sum of its proper divisors (26817428521804).

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

20101012101012 is a wasteful number, since it uses less digits than its factorization.

20101012101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574251927 (or 574251925 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20101012101012 its reverse (21010121010102), we get a palindrome (41111133111114).

The spelling of 20101012101012 in words is "twenty trillion, one hundred one billion, twelve million, one hundred one thousand, twelve".