202023331212 has 48 divisors (see below), whose sum is σ = 491141532672. Its totient is φ = 64559749440.

The previous prime is 202023331199. The next prime is 202023331217. The reversal of 202023331212 is 212133320202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202023331217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497923 + ... + 2577530.

It is an arithmetic number, because the mean of its divisors is an integer number (10232115264).

Almost surely, 2^202023331212 is an apocalyptic number.

It is an amenable number.

202023331212 is an abundant number, since it is smaller than the sum of its proper divisors (289118201460).

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

202023331212 is a wasteful number, since it uses less digits than its factorization.

202023331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075598 (or 5075596 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202023331212 its reverse (212133320202), we get a palindrome (414156651414).

The spelling of 202023331212 in words is "two hundred two billion, twenty-three million, three hundred thirty-one thousand, two hundred twelve".