202001231212 has 24 divisors (see below), whose sum is σ = 405935490240. Its totient is φ = 86986175760.

The previous prime is 202001231203. The next prime is 202001231287. The reversal of 202001231212 is 212132100202.

It is a happy number.

It is a super-2 number, since 2×202001231212² (a number of 23 digits) contains 22 as substring.

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, 120813298 + ... + 120814969.

It is an arithmetic number, because the mean of its divisors is an integer number (16913978760).

Almost surely, 2^202001231212 is an apocalyptic number.

202001231212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202001231212 is an abundant number, since it is smaller than the sum of its proper divisors (203934259028).

202001231212 is a wasteful number, since it uses less digits than its factorization.

202001231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241628301 (or 241628299 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202001231212 its reverse (212132100202), we get a palindrome (414133331414).

The spelling of 202001231212 in words is "two hundred two billion, one million, two hundred thirty-one thousand, two hundred twelve".