202001121212 has 96 divisors (see below), whose sum is σ = 412185231360. Its totient is φ = 85703203520.

The previous prime is 202001121211. The next prime is 202001121241. The reversal of 202001121212 is 212121100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001121211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16498589 + ... + 16510827.

It is an arithmetic number, because the mean of its divisors is an integer number (4293596160).

Almost surely, 2^202001121212 is an apocalyptic number.

202001121212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202001121212 is an abundant number, since it is smaller than the sum of its proper divisors (210184110148).

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

202001121212 is a wasteful number, since it uses less digits than its factorization.

202001121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671 (or 12669 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202001121212 its reverse (212121100202), we get a palindrome (414122221414).

The spelling of 202001121212 in words is "two hundred two billion, one million, one hundred twenty-one thousand, two hundred twelve".