12152400451 has 16 divisors (see below), whose sum is σ = 13210283520. Its totient is φ = 11148258880.

The previous prime is 12152400443. The next prime is 12152400457. The reversal of 12152400451 is 15400425121.

12152400451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12152400451 - 2³ = 12152400443 is a prime.

It is a super-3 number, since 3×12152400451³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152400457) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 53575 + ... + 164848.

It is an arithmetic number, because the mean of its divisors is an integer number (825642720).

Almost surely, 2^12152400451 is an apocalyptic number.

12152400451 is a deficient number, since it is larger than the sum of its proper divisors (1057883069).

12152400451 is a wasteful number, since it uses less digits than its factorization.

12152400451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218546.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12152400451 its reverse (15400425121), we get a palindrome (27552825572).

The spelling of 12152400451 in words is "twelve billion, one hundred fifty-two million, four hundred thousand, four hundred fifty-one".