212211102012 has 96 divisors (see below), whose sum is σ = 609519934464. Its totient is φ = 55959206400.

The previous prime is 212211102007. The next prime is 212211102023. The reversal of 212211102012 is 210201112212.

It is a junction number, because it is equal to n+sod(n) for n = 212211101982 and 212211102000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10605337 + ... + 10625327.

It is an arithmetic number, because the mean of its divisors is an integer number (6349165984).

Almost surely, 2^212211102012 is an apocalyptic number.

It is an amenable number.

212211102012 is an abundant number, since it is smaller than the sum of its proper divisors (397308832452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212211102012 is a wasteful number, since it uses less digits than its factorization.

212211102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29739 (or 29737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212211102012 its reverse (210201112212), we get a palindrome (422412214224).

The spelling of 212211102012 in words is "two hundred twelve billion, two hundred eleven million, one hundred two thousand, twelve".