212112212001212 has 12 divisors (see below), whose sum is σ = 371573986849296. Its totient is φ = 105948215758560.

The previous prime is 212112212001211. The next prime is 212112212001227. The reversal of 212112212001212 is 212100212211212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112212001211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26972556089 + ... + 26972563952.

It is an arithmetic number, because the mean of its divisors is an integer number (30964498904108).

Almost surely, 2^{212112212001212} is an apocalyptic number.

It is an amenable number.

212112212001212 is a deficient number, since it is larger than the sum of its proper divisors (159461774848084).

212112212001212 is a wasteful number, since it uses less digits than its factorization.

212112212001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53945121028 (or 53945121026 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212112212001212 its reverse (212100212211212), we get a palindrome (424212424212424).

The spelling of 212112212001212 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twelve million, one thousand, two hundred twelve".