12002201652 has 48 divisors (see below), whose sum is σ = 32022345600. Its totient is φ = 3427435392.

The previous prime is 12002201647. The next prime is 12002201677. The reversal of 12002201652 is 25610220021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 131974 + ... + 203522.

It is an arithmetic number, because the mean of its divisors is an integer number (667132200).

Almost surely, 2^12002201652 is an apocalyptic number.

12002201652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002201652 is an abundant number, since it is smaller than the sum of its proper divisors (20020143948).

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

12002201652 is a wasteful number, since it uses less digits than its factorization.

12002201652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73560 (or 73558 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12002201652 its reverse (25610220021), we get a palindrome (37612421673).

The spelling of 12002201652 in words is "twelve billion, two million, two hundred one thousand, six hundred fifty-two".