202122112012012 has 6 divisors (see below), whose sum is σ = 353713696021028. Its totient is φ = 101061056006004.

The previous prime is 202122112011961. The next prime is 202122112012013. The reversal of 202122112012012 is 210210211221202.

202122112012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202122112012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25265264001498 + ... + 25265264001505.

Almost surely, 2^{202122112012012} is an apocalyptic number.

It is an amenable number.

202122112012012 is a deficient number, since it is larger than the sum of its proper divisors (151591584009016).

202122112012012 is a wasteful number, since it uses less digits than its factorization.

202122112012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50530528003007 (or 50530528003005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202122112012012 its reverse (210210211221202), we get a palindrome (412332323233214).

The spelling of 202122112012012 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred twelve million, twelve thousand, twelve".