202122322012 has 192 divisors, whose sum is σ = 435993062400. Its totient is φ = 81053153280.

The previous prime is 202122321991. The next prime is 202122322013. The reversal of 202122322012 is 210223221202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122322013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54967518 + ... + 54971194.

It is an arithmetic number, because the mean of its divisors is an integer number (2270797200).

Almost surely, 2^202122322012 is an apocalyptic number.

It is an amenable number.

202122322012 is an abundant number, since it is smaller than the sum of its proper divisors (233870740388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202122322012 is a wasteful number, since it uses less digits than its factorization.

202122322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202122322012 its reverse (210223221202), we get a palindrome (412345543214).

The spelling of 202122322012 in words is "two hundred two billion, one hundred twenty-two million, three hundred twenty-two thousand, twelve".