212012222094 has 64 divisors (see below), whose sum is σ = 501464494080. Its totient is φ = 66165344640.

The previous prime is 212012222021. The next prime is 212012222117. The reversal of 212012222094 is 490222210212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429244 + ... + 779919.

It is an arithmetic number, because the mean of its divisors is an integer number (7835382720).

Almost surely, 2^212012222094 is an apocalyptic number.

212012222094 is an abundant number, since it is smaller than the sum of its proper divisors (289452271986).

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

212012222094 is a wasteful number, since it uses less digits than its factorization.

212012222094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209382 (or 1209376 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 212012222094 in words is "two hundred twelve billion, twelve million, two hundred twenty-two thousand, ninety-four".