220210012121200 has 60 divisors (see below), whose sum is σ = 538021580519880. Its totient is φ = 86591055604480.

The previous prime is 220210012121171. The next prime is 220210012121201. The reversal of 220210012121200 is 2121210012022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210012121201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4665442759 + ... + 4665489958.

It is an arithmetic number, because the mean of its divisors is an integer number (8967026341998).

Almost surely, 2^{220210012121200} is an apocalyptic number.

220210012121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210012121200 is an abundant number, since it is smaller than the sum of its proper divisors (317811568398680).

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

220210012121200 is a wasteful number, since it uses less digits than its factorization.

220210012121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330932794 (or 9330932783 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220210012121200 its reverse (2121210012022), we get a palindrome (222331222133222).

The spelling of 220210012121200 in words is "two hundred twenty trillion, two hundred ten billion, twelve million, one hundred twenty-one thousand, two hundred".