12154234253 has 12 divisors (see below), whose sum is σ = 14278590972. Its totient is φ = 10314763200.

The previous prime is 12154234193. The next prime is 12154234277. The reversal of 12154234253 is 35243245121.

It can be written as a sum of positive squares in 2 ways, for example, as 11834611369 + 319622884 = 108787^2 + 17878^2 .

It is not a de Polignac number, because 12154234253 - 2¹² = 12154230157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154236253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223000 + ... + 1232897.

It is an arithmetic number, because the mean of its divisors is an integer number (1189882581).

Almost surely, 2^12154234253 is an apocalyptic number.

It is an amenable number.

12154234253 is a deficient number, since it is larger than the sum of its proper divisors (2124356719).

12154234253 is a wasteful number, since it uses less digits than its factorization.

12154234253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456012 (or 2456005 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 12154234253 its reverse (35243245121), we get a palindrome (47397479374).

The spelling of 12154234253 in words is "twelve billion, one hundred fifty-four million, two hundred thirty-four thousand, two hundred fifty-three".