220312343212990 has 32 divisors (see below), whose sum is σ = 460643700291264. Its totient is φ = 74297371011840.

The previous prime is 220312343212979. The next prime is 220312343212991. The reversal of 220312343212990 is 99212343213022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220312343212991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25797693999 + ... + 25797702538.

It is an arithmetic number, because the mean of its divisors is an integer number (14395115634102).

Almost surely, 2^{220312343212990} is an apocalyptic number.

220312343212990 is an abundant number, since it is smaller than the sum of its proper divisors (240331357078274).

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

220312343212990 is a wasteful number, since it uses less digits than its factorization.

220312343212990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51595396612.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 220312343212990 in words is "two hundred twenty trillion, three hundred twelve billion, three hundred forty-three million, two hundred twelve thousand, nine hundred ninety".