212202100012 has 24 divisors (see below), whose sum is σ = 430381728000. Its totient is φ = 89662858320.

The previous prime is 212202100009. The next prime is 212202100021. The reversal of 212202100012 is 210001202212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212202099965 and 212202100001.

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 7 ways as a sum of consecutive naturals, for example, 53368762 + ... + 53372737.

It is an arithmetic number, because the mean of its divisors is an integer number (17932572000).

Almost surely, 2^212202100012 is an apocalyptic number.

It is an amenable number.

212202100012 is an abundant number, since it is smaller than the sum of its proper divisors (218179627988).

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

212202100012 is a wasteful number, since it uses less digits than its factorization.

212202100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106741581 (or 106741579 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212202100012 its reverse (210001202212), we get a palindrome (422203302224).

The spelling of 212202100012 in words is "two hundred twelve billion, two hundred two million, one hundred thousand, twelve".