212000122192 has 20 divisors (see below), whose sum is σ = 432368670880. Its totient is φ = 100421110368.

The previous prime is 212000122129. The next prime is 212000122193. The reversal of 212000122192 is 291221000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000122193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348684108 + ... + 348684715.

It is an arithmetic number, because the mean of its divisors is an integer number (21618433544).

Almost surely, 2^212000122192 is an apocalyptic number.

It is an amenable number.

212000122192 is an abundant number, since it is smaller than the sum of its proper divisors (220368548688).

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

212000122192 is a wasteful number, since it uses less digits than its factorization.

212000122192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697368850 (or 697368844 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 212000122192 in words is "two hundred twelve billion, one hundred twenty-two thousand, one hundred ninety-two".