12133025455 has 4 divisors (see below), whose sum is σ = 14559630552. Its totient is φ = 9706420360.

The previous prime is 12133025431. The next prime is 12133025507. The reversal of 12133025455 is 55452033121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12133025455 - 2²⁵ = 12099471023 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1213302541 + ... + 1213302550.

It is an arithmetic number, because the mean of its divisors is an integer number (3639907638).

Almost surely, 2^12133025455 is an apocalyptic number.

12133025455 is a deficient number, since it is larger than the sum of its proper divisors (2426605097).

12133025455 is an equidigital number, since it uses as much as digits as its factorization.

12133025455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426605096.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 12133025455 its reverse (55452033121), we get a palindrome (67585058576).

The spelling of 12133025455 in words is "twelve billion, one hundred thirty-three million, twenty-five thousand, four hundred fifty-five".