220121314204012 has 192 divisors, whose sum is σ = 447384849537024. Its totient is φ = 93853552988160.

The previous prime is 220121314204003. The next prime is 220121314204019. The reversal of 220121314204012 is 210402413121022.

It is a super-2 number, since 2×220121314204012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220121314204019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69068499883 + ... + 69068503069.

It is an arithmetic number, because the mean of its divisors is an integer number (2330129424672).

Almost surely, 2^{220121314204012} is an apocalyptic number.

It is an amenable number.

220121314204012 is an abundant number, since it is smaller than the sum of its proper divisors (227263535333012).

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

220121314204012 is a wasteful number, since it uses less digits than its factorization.

220121314204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 220121314204012 its reverse (210402413121022), we get a palindrome (430523727325034).

The spelling of 220121314204012 in words is "two hundred twenty trillion, one hundred twenty-one billion, three hundred fourteen million, two hundred four thousand, twelve".