202312302012 has 72 divisors (see below), whose sum is σ = 542680145280. Its totient is φ = 63412044960.

The previous prime is 202312301987. The next prime is 202312302013. The reversal of 202312302012 is 210203213202.

202312302012 is a `hidden beast` number, since 2 + 0 + 231 + 230 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202312302013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2021814 + ... + 2119517.

It is an arithmetic number, because the mean of its divisors is an integer number (7537224240).

Almost surely, 2^202312302012 is an apocalyptic number.

It is an amenable number.

202312302012 is an abundant number, since it is smaller than the sum of its proper divisors (340367843268).

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

202312302012 is a wasteful number, since it uses less digits than its factorization.

202312302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141423 (or 4141418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202312302012 its reverse (210203213202), we get a palindrome (412515515214).

The spelling of 202312302012 in words is "two hundred two billion, three hundred twelve million, three hundred two thousand, twelve".