202012212212122 has 16 divisors (see below), whose sum is σ = 333270556319232. Its totient is φ = 91252652324400.

The previous prime is 202012212212117. The next prime is 202012212212137. The reversal of 202012212212122 is 221212212210202.

202012212212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202012212212093 and 202012212212102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82656386754 + ... + 82656389197.

It is an arithmetic number, because the mean of its divisors is an integer number (20829409769952).

Almost surely, 2^{202012212212122} is an apocalyptic number.

202012212212122 is a deficient number, since it is larger than the sum of its proper divisors (131258344107110).

202012212212122 is a wasteful number, since it uses less digits than its factorization.

202012212212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165312776013.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202012212212122 its reverse (221212212210202), we get a palindrome (423224424422324).

The spelling of 202012212212122 in words is "two hundred two trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-two".