20101000001012 has 24 divisors (see below), whose sum is σ = 40321293789504. Its totient is φ = 8589151331712.

The previous prime is 20101000000999. The next prime is 20101000001077. The reversal of 20101000001012 is 21010000010102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065113498 + ... + 1065132369.

It is an arithmetic number, because the mean of its divisors is an integer number (1680053907896).

Almost surely, 2^{20101000001012} is an apocalyptic number.

It is an amenable number.

20101000001012 is an abundant number, since it is smaller than the sum of its proper divisors (20220293788492).

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

20101000001012 is a wasteful number, since it uses less digits than its factorization.

20101000001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130246215 (or 2130246213 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20101000001012 its reverse (21010000010102), we get a palindrome (41111000011114).

The spelling of 20101000001012 in words is "twenty trillion, one hundred one billion, one thousand, twelve".