202012112222120 has 16 divisors (see below), whose sum is σ = 454527252499860. Its totient is φ = 80804844888832.

The previous prime is 202012112222111. The next prime is 202012112222203. The reversal of 202012112222120 is 21222211210202.

It can be written as a sum of positive squares in 2 ways, for example, as 201750604763236 + 261507458884 = 14203894^2 + 511378^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202012112222092 and 202012112222101.

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, 2525151402737 + ... + 2525151402816.

Almost surely, 2^{202012112222120} is an apocalyptic number.

202012112222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012112222120 is an abundant number, since it is smaller than the sum of its proper divisors (252515140277740).

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

202012112222120 is a wasteful number, since it uses less digits than its factorization.

202012112222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050302805564 (or 5050302805560 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202012112222120 its reverse (21222211210202), we get a palindrome (223234323432322).

The spelling of 202012112222120 in words is "two hundred two trillion, twelve billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty".