20112201210000 has 100 divisors (see below), whose sum is σ = 64924867229552. Its totient is φ = 5363253648000.

The previous prime is 20112201209959. The next prime is 20112201210001. The reversal of 20112201210000 is 1210221102.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is not an unprimeable number, because it can be changed into a prime (20112201210001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 335173354 + ... + 335233353.

Almost surely, 2^{20112201210000} is an apocalyptic number.

20112201210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112201210000 is an abundant number, since it is smaller than the sum of its proper divisors (44812666019552).

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

20112201210000 is an equidigital number, since it uses as much as digits as its factorization.

20112201210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670406738 (or 670406717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112201210000 its reverse (1210221102), we get a palindrome (20113411431102).

The spelling of 20112201210000 in words is "twenty trillion, one hundred twelve billion, two hundred one million, two hundred ten thousand".