20001210011200 has 168 divisors, whose sum is σ = 54049951742400. Its totient is φ = 7224353126400.

The previous prime is 20001210011191. The next prime is 20001210011213. The reversal of 20001210011200 is 211001210002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191132 + ... + 6435931.

Almost surely, 2^{20001210011200} is an apocalyptic number.

20001210011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001210011200 is an abundant number, since it is smaller than the sum of its proper divisors (34048741731200).

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

20001210011200 is a wasteful number, since it uses less digits than its factorization.

20001210011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627245 (or 7627230 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001210011200 its reverse (211001210002), we get a palindrome (20212211221202).

The spelling of 20001210011200 in words is "twenty trillion, one billion, two hundred ten million, eleven thousand, two hundred".