202012122101212 has 24 divisors (see below), whose sum is σ = 353620778960736. Its totient is φ = 100977616719168.

The previous prime is 202012122101197. The next prime is 202012122101219. The reversal of 202012122101212 is 212101221210202.

It is a self number, because there is not a number n which added to its sum of digits gives 202012122101212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012122101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287012673 + ... + 287715655.

It is an arithmetic number, because the mean of its divisors is an integer number (14734199123364).

Almost surely, 2^{202012122101212} is an apocalyptic number.

It is an amenable number.

202012122101212 is a deficient number, since it is larger than the sum of its proper divisors (151608656859524).

202012122101212 is a wasteful number, since it uses less digits than its factorization.

202012122101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723117 (or 723115 counting only the distinct ones).

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

Adding to 202012122101212 its reverse (212101221210202), we get a palindrome (414113343311414).

The spelling of 202012122101212 in words is "two hundred two trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".