202122022012 has 12 divisors (see below), whose sum is σ = 354972307536. Its totient is φ = 100701362720.

The previous prime is 202122022009. The next prime is 202122022103. The reversal of 202122022012 is 210220221202.

It is a congruent number.

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, 89910808 + ... + 89913055.

It is an arithmetic number, because the mean of its divisors is an integer number (29581025628).

Almost surely, 2^202122022012 is an apocalyptic number.

It is an amenable number.

202122022012 is a deficient number, since it is larger than the sum of its proper divisors (152850285524).

202122022012 is a wasteful number, since it uses less digits than its factorization.

202122022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179824148 (or 179824146 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202122022012 its reverse (210220221202), we get a palindrome (412342243214).

The spelling of 202122022012 in words is "two hundred two billion, one hundred twenty-two million, twenty-two thousand, twelve".