212202022194 has 24 divisors (see below), whose sum is σ = 479761094592. Its totient is φ = 67658615640.

The previous prime is 212202022159. The next prime is 212202022223. The reversal of 212202022194 is 491220202212.

212202022194 is a `hidden beast` number, since 21 + 220 + 202 + 219 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256282222 + ... + 256283049.

It is an arithmetic number, because the mean of its divisors is an integer number (19990045608).

Almost surely, 2^212202022194 is an apocalyptic number.

212202022194 is an abundant number, since it is smaller than the sum of its proper divisors (267559072398).

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

212202022194 is a wasteful number, since it uses less digits than its factorization.

212202022194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512565302 (or 512565299 counting only the distinct ones).

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

The spelling of 212202022194 in words is "two hundred twelve billion, two hundred two million, twenty-two thousand, one hundred ninety-four".