20101202012200 has 48 divisors (see below), whose sum is σ = 46785602209500. Its totient is φ = 8031825745920.

The previous prime is 20101202012173. The next prime is 20101202012219. The reversal of 20101202012200 is 221020210102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 137838442756 + 19963363569444 = 371266^2 + 4468038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53907855 + ... + 54279454.

Almost surely, 2^{20101202012200} is an apocalyptic number.

20101202012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101202012200 is an abundant number, since it is smaller than the sum of its proper divisors (26684400197300).

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

20101202012200 is a wasteful number, since it uses less digits than its factorization.

20101202012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108188254 (or 108188245 counting only the distinct ones).

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

Adding to 20101202012200 its reverse (221020210102), we get a palindrome (20322222222302).

The spelling of 20101202012200 in words is "twenty trillion, one hundred one billion, two hundred two million, twelve thousand, two hundred".