212022000012 has 48 divisors (see below), whose sum is σ = 503021992032. Its totient is φ = 69488609280.

The previous prime is 212021999993. The next prime is 212022000031. The reversal of 212022000012 is 210000220212.

It is an interprime number because it is at equal distance from previous prime (212021999993) and next prime (212022000031).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890418 + ... + 1999430.

It is an arithmetic number, because the mean of its divisors is an integer number (10479624834).

Almost surely, 2^212022000012 is an apocalyptic number.

It is an amenable number.

212022000012 is an abundant number, since it is smaller than the sum of its proper divisors (290999992020).

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

212022000012 is a wasteful number, since it uses less digits than its factorization.

212022000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111738 (or 111736 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212022000012 its reverse (210000220212), we get a palindrome (422022220224).

The spelling of 212022000012 in words is "two hundred twelve billion, twenty-two million, twelve", and thus it is an aban number.