212102111201212 has 12 divisors (see below), whose sum is σ = 371195031132576. Its totient is φ = 106046388020480.

The previous prime is 212102111201177. The next prime is 212102111201287.

It is a happy number.

212102111201212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212102111201212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212102111201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166792788 + ... + 1166974555.

It is an arithmetic number, because the mean of its divisors is an integer number (30932919261048).

Almost surely, 2^{212102111201212} is an apocalyptic number.

It is an amenable number.

212102111201212 is a deficient number, since it is larger than the sum of its proper divisors (159092919931364).

212102111201212 is a wasteful number, since it uses less digits than its factorization.

212102111201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333790068 (or 2333790066 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The spelling of 212102111201212 in words is "two hundred twelve trillion, one hundred two billion, one hundred eleven million, two hundred one thousand, two hundred twelve".