178112255004212 has 24 divisors (see below), whose sum is σ = 347401611930240. Its totient is φ = 79406082725760.

The previous prime is 178112255004199. The next prime is 178112255004227. The reversal of 178112255004212 is 212400552211871.

It is a super-2 number, since 2×178112255004212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 178112255004212.

It is a congruent number.

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, 68928889964 + ... + 68928892547.

It is an arithmetic number, because the mean of its divisors is an integer number (14475067163760).

Almost surely, 2^{178112255004212} is an apocalyptic number.

It is an amenable number.

178112255004212 is a deficient number, since it is larger than the sum of its proper divisors (169289356926028).

178112255004212 is a wasteful number, since it uses less digits than its factorization.

178112255004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137857782551 (or 137857782549 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 178112255004212 in words is "one hundred seventy-eight trillion, one hundred twelve billion, two hundred fifty-five million, four thousand, two hundred twelve".