202211112221212 has 48 divisors (see below), whose sum is σ = 357788542114080. Its totient is φ = 99988162560000.

The previous prime is 202211112221161. The next prime is 202211112221213. The reversal of 202211112221212 is 212122211112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202211112221213) 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, 5621798364 + ... + 5621834332.

It is an arithmetic number, because the mean of its divisors is an integer number (7453927960710).

Almost surely, 2^{202211112221212} is an apocalyptic number.

It is an amenable number.

202211112221212 is a deficient number, since it is larger than the sum of its proper divisors (155577429892868).

202211112221212 is a wasteful number, since it uses less digits than its factorization.

202211112221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51862 (or 51860 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 202211112221212 its reverse (212122211112202), we get a palindrome (414333323333414).

The spelling of 202211112221212 in words is "two hundred two trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twelve".