202201100211212 has 24 divisors (see below), whose sum is σ = 357186867609600. Its totient is φ = 100147857163920.

The previous prime is 202201100211197. The next prime is 202201100211217. The reversal of 202201100211212 is 212112001102202.

It is a super-2 number, since 2×202201100211212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202201100211217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977864 + ... + 23933807.

It is an arithmetic number, because the mean of its divisors is an integer number (14882786150400).

Almost surely, 2^{202201100211212} is an apocalyptic number.

It is an amenable number.

202201100211212 is a deficient number, since it is larger than the sum of its proper divisors (154985767398388).

202201100211212 is a wasteful number, since it uses less digits than its factorization.

202201100211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36924581 (or 36924579 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202201100211212 its reverse (212112001102202), we get a palindrome (414313101313414).

The spelling of 202201100211212 in words is "two hundred two trillion, two hundred one billion, one hundred million, two hundred eleven thousand, two hundred twelve".