212013235194 has 16 divisors (see below), whose sum is σ = 446343653280. Its totient is φ = 66951547920.

The previous prime is 212013235171. The next prime is 212013235207. The reversal of 212013235194 is 491532310212.

It is a super-2 number, since 2×212013235194² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929882497 + ... + 929882724.

It is an arithmetic number, because the mean of its divisors is an integer number (27896478330).

Almost surely, 2^212013235194 is an apocalyptic number.

212013235194 is an abundant number, since it is smaller than the sum of its proper divisors (234330418086).

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

212013235194 is a wasteful number, since it uses less digits than its factorization.

212013235194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859765245.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 212013235194 in words is "two hundred twelve billion, thirteen million, two hundred thirty-five thousand, one hundred ninety-four".