12001662024 has 64 divisors (see below), whose sum is σ = 33530172480. Its totient is φ = 3548160000.

The previous prime is 12001661981. The next prime is 12001662047. The reversal of 12001662024 is 42026610021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12001661985 and 12001662003.

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, 543577 + ... + 565224.

It is an arithmetic number, because the mean of its divisors is an integer number (523908945).

Almost surely, 2^12001662024 is an apocalyptic number.

It is an amenable number.

12001662024 is an abundant number, since it is smaller than the sum of its proper divisors (21528510456).

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

12001662024 is a wasteful number, since it uses less digits than its factorization.

12001662024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108862 (or 1108858 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 12001662024 in words is "twelve billion, one million, six hundred sixty-two thousand, twenty-four".