12178084042722 has 64 divisors (see below), whose sum is σ = 27779141496960. Its totient is φ = 3525859912704.

The previous prime is 12178084042717. The next prime is 12178084042783. The reversal of 12178084042722 is 22724048087121.

It is a super-2 number, since 2×12178084042722² (a number of 27 digits) contains 22 as substring.

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, 4607104 + ... + 6751412.

It is an arithmetic number, because the mean of its divisors is an integer number (434049085890).

Almost surely, 2^{12178084042722} is an apocalyptic number.

12178084042722 is an abundant number, since it is smaller than the sum of its proper divisors (15601057454238).

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

12178084042722 is a wasteful number, since it uses less digits than its factorization.

12178084042722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148627.

The product of its (nonzero) digits is 802816, while the sum is 48.

The spelling of 12178084042722 in words is "twelve trillion, one hundred seventy-eight billion, eighty-four million, forty-two thousand, seven hundred twenty-two".