202122001012 has 24 divisors (see below), whose sum is σ = 355535865216. Its totient is φ = 100541596128.

The previous prime is 202122000917. The next prime is 202122001021. The reversal of 202122001012 is 210100221202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202122000983 and 202122001001.

It is a congruent number.

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, 479353 + ... + 796255.

It is an arithmetic number, because the mean of its divisors is an integer number (14813994384).

Almost surely, 2^202122001012 is an apocalyptic number.

It is an amenable number.

202122001012 is a deficient number, since it is larger than the sum of its proper divisors (153413864204).

202122001012 is a wasteful number, since it uses less digits than its factorization.

202122001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317727 (or 317725 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202122001012 its reverse (210100221202), we get a palindrome (412222222214).

The spelling of 202122001012 in words is "two hundred two billion, one hundred twenty-two million, one thousand, twelve".