212112121211212 has 48 divisors (see below), whose sum is σ = 381353003896032. Its totient is φ = 103202653962240.

The previous prime is 212112121211183. The next prime is 212112121211233.

212112121211212 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

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, 9743989 + ... + 22785292.

It is an arithmetic number, because the mean of its divisors is an integer number (7944854247834).

Almost surely, 2^{212112121211212} is an apocalyptic number.

It is an amenable number.

212112121211212 is a deficient number, since it is larger than the sum of its proper divisors (169240882684820).

212112121211212 is a wasteful number, since it uses less digits than its factorization.

212112121211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529658 (or 32529656 counting only the distinct ones).

The product of its digits is 128, while the sum is 22.

The spelling of 212112121211212 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twelve".