12000002652 has 72 divisors (see below), whose sum is σ = 33985306992. Its totient is φ = 3538080000.

The previous prime is 12000002627. The next prime is 12000002657. The reversal of 12000002652 is 25620000021.

12000002652 is a `hidden beast` number, since 12 + 0 + 0 + 0 + 0 + 0 + 2 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000002657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394849 + ... + 424152.

Almost surely, 2^12000002652 is an apocalyptic number.

12000002652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000002652 is an abundant number, since it is smaller than the sum of its proper divisors (21985304340).

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

12000002652 is a wasteful number, since it uses less digits than its factorization.

12000002652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819059 (or 819054 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12000002652 its reverse (25620000021), we get a palindrome (37620002673).

The spelling of 12000002652 in words is "twelve billion, two thousand, six hundred fifty-two".