12153620452 has 6 divisors (see below), whose sum is σ = 21268835798. Its totient is φ = 6076810224.

The previous prime is 12153620441. The next prime is 12153620461. The reversal of 12153620452 is 25402635121.

12153620452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11332454116 + 821166336 = 106454^2 + 28656^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519202553 + ... + 1519202560.

Almost surely, 2^12153620452 is an apocalyptic number.

It is an amenable number.

12153620452 is a deficient number, since it is larger than the sum of its proper divisors (9115215346).

12153620452 is a wasteful number, since it uses less digits than its factorization.

12153620452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038405117 (or 3038405115 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12153620452 in words is "twelve billion, one hundred fifty-three million, six hundred twenty thousand, four hundred fifty-two".