220120100211012 has 12 divisors (see below), whose sum is σ = 513613567159056. Its totient is φ = 73373366737000.

The previous prime is 220120100211001. The next prime is 220120100211047. The reversal of 220120100211012 is 210112001021022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 220120100210982 and 220120100211000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9171670842114 + ... + 9171670842137.

It is an arithmetic number, because the mean of its divisors is an integer number (42801130596588).

Almost surely, 2^{220120100211012} is an apocalyptic number.

It is an amenable number.

220120100211012 is an abundant number, since it is smaller than the sum of its proper divisors (293493466948044).

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

220120100211012 is a wasteful number, since it uses less digits than its factorization.

220120100211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18343341684258 (or 18343341684256 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220120100211012 its reverse (210112001021022), we get a palindrome (430232101232034).

The spelling of 220120100211012 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred million, two hundred eleven thousand, twelve".