20131202100000 has 144 divisors (see below), whose sum is σ = 66051280322496. Its totient is φ = 5368320480000.

The previous prime is 20131202099993. The next prime is 20131202100067. The reversal of 20131202100000 is 120213102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33252004 + ... + 33852003.

It is an arithmetic number, because the mean of its divisors is an integer number (458689446684).

Almost surely, 2^{20131202100000} is an apocalyptic number.

20131202100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131202100000 is an abundant number, since it is smaller than the sum of its proper divisors (45920078222496).

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

20131202100000 is an frugal number, since it uses more digits than its factorization.

20131202100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67104045 (or 67104017 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20131202100000 its reverse (120213102), we get a palindrome (20131322313102).

The spelling of 20131202100000 in words is "twenty trillion, one hundred thirty-one billion, two hundred two million, one hundred thousand".