12022552672 has 96 divisors (see below), whose sum is σ = 26818966944. Its totient is φ = 5266944000.

The previous prime is 12022552639. The next prime is 12022552699. The reversal of 12022552672 is 27625522021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621547 + ... + 640597.

It is an arithmetic number, because the mean of its divisors is an integer number (279364239).

Almost surely, 2^12022552672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022552672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13409483472).

12022552672 is an abundant number, since it is smaller than the sum of its proper divisors (14796414272).

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

12022552672 is a wasteful number, since it uses less digits than its factorization.

12022552672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19152 (or 19144 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 12022552672 in words is "twelve billion, twenty-two million, five hundred fifty-two thousand, six hundred seventy-two".