2312122101220 has 48 divisors (see below), whose sum is σ = 4959482266368. Its totient is φ = 905040093440.

The previous prime is 2312122101199. The next prime is 2312122101227. The reversal of 2312122101220 is 221012212132.

It is a super-2 number, since 2×2312122101220² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312122101227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6445800 + ... + 6795040.

It is an arithmetic number, because the mean of its divisors is an integer number (103322547216).

Almost surely, 2^{2312122101220} is an apocalyptic number.

2312122101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312122101220 is an abundant number, since it is smaller than the sum of its proper divisors (2647360165148).

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

2312122101220 is a wasteful number, since it uses less digits than its factorization.

2312122101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356340 (or 356338 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2312122101220 its reverse (221012212132), we get a palindrome (2533134313352).

The spelling of 2312122101220 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty".