212112202012012 has 6 divisors (see below), whose sum is σ = 371196353521028. Its totient is φ = 106056101006004.

The previous prime is 212112202011979. The next prime is 212112202012019. The reversal of 212112202012012 is 210210202211212.

It is not an unprimeable number, because it can be changed into a prime (212112202012019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26514025251498 + ... + 26514025251505.

Almost surely, 2^{212112202012012} is an apocalyptic number.

It is an amenable number.

212112202012012 is a deficient number, since it is larger than the sum of its proper divisors (159084151509016).

212112202012012 is a wasteful number, since it uses less digits than its factorization.

212112202012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53028050503007 (or 53028050503005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212112202012012 its reverse (210210202211212), we get a palindrome (422322404223224).

The spelling of 212112202012012 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred two million, twelve thousand, twelve".