12361218252 has 12 divisors (see below), whose sum is σ = 28842842616. Its totient is φ = 4120406080.

The previous prime is 12361218241. The next prime is 12361218263. The reversal of 12361218252 is 25281216321.

It is an interprime number because it is at equal distance from previous prime (12361218241) and next prime (12361218263).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515050749 + ... + 515050772.

It is an arithmetic number, because the mean of its divisors is an integer number (2403570218).

Almost surely, 2^12361218252 is an apocalyptic number.

12361218252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12361218252 is an abundant number, since it is smaller than the sum of its proper divisors (16481624364).

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

12361218252 is a wasteful number, since it uses less digits than its factorization.

12361218252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030101528 (or 1030101526 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The spelling of 12361218252 in words is "twelve billion, three hundred sixty-one million, two hundred eighteen thousand, two hundred fifty-two".