20101202020012 has 12 divisors (see below), whose sum is σ = 37246344919560. Its totient is φ = 9459389185856.

The previous prime is 20101202019937. The next prime is 20101202020021. The reversal of 20101202020012 is 21002020210102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20101202019974 and 20101202020001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147802955962 + ... + 147802956097.

It is an arithmetic number, because the mean of its divisors is an integer number (3103862076630).

Almost surely, 2^{20101202020012} is an apocalyptic number.

It is an amenable number.

20101202020012 is a deficient number, since it is larger than the sum of its proper divisors (17145142899548).

20101202020012 is a wasteful number, since it uses less digits than its factorization.

20101202020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295605912080 (or 295605912078 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20101202020012 its reverse (21002020210102), we get a palindrome (41103222230114).

The spelling of 20101202020012 in words is "twenty trillion, one hundred one billion, two hundred two million, twenty thousand, twelve".