202201211212 has 48 divisors (see below), whose sum is σ = 475102156032. Its totient is φ = 72719714880.

The previous prime is 202201211203. The next prime is 202201211243. The reversal of 202201211212 is 212112102202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25245898 + ... + 25253905.

It is an arithmetic number, because the mean of its divisors is an integer number (9897961584).

Almost surely, 2^202201211212 is an apocalyptic number.

202201211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202201211212 is an abundant number, since it is smaller than the sum of its proper divisors (272900944820).

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

202201211212 is a wasteful number, since it uses less digits than its factorization.

202201211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50499838 (or 50499836 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202201211212 its reverse (212112102202), we get a palindrome (414313313414).

The spelling of 202201211212 in words is "two hundred two billion, two hundred one million, two hundred eleven thousand, two hundred twelve".