12255155252 has 6 divisors (see below), whose sum is σ = 21446521698. Its totient is φ = 6127577624.

The previous prime is 12255155243. The next prime is 12255155261. The reversal of 12255155252 is 25255155221.

It is an interprime number because it is at equal distance from previous prime (12255155243) and next prime (12255155261).

It can be written as a sum of positive squares in only one way, i.e., 12107921296 + 147233956 = 110036^2 + 12134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531894403 + ... + 1531894410.

It is an arithmetic number, because the mean of its divisors is an integer number (3574420283).

Almost surely, 2^12255155252 is an apocalyptic number.

It is an amenable number.

12255155252 is a deficient number, since it is larger than the sum of its proper divisors (9191366446).

12255155252 is a wasteful number, since it uses less digits than its factorization.

12255155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063788817 (or 3063788815 counting only the distinct ones).

The product of its digits is 50000, while the sum is 35.

The spelling of 12255155252 in words is "twelve billion, two hundred fifty-five million, one hundred fifty-five thousand, two hundred fifty-two".