12504134254 has 4 divisors (see below), whose sum is σ = 18756201384. Its totient is φ = 6252067126.

The previous prime is 12504134249. The next prime is 12504134263. The reversal of 12504134254 is 45243140521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45243140521 = 683 ⋅66241787.

It is a super-2 number, since 2×12504134254² (a number of 21 digits) contains 22 as substring.

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, 3126033562 + ... + 3126033565.

It is an arithmetic number, because the mean of its divisors is an integer number (4689050346).

Almost surely, 2^12504134254 is an apocalyptic number.

12504134254 is a deficient number, since it is larger than the sum of its proper divisors (6252067130).

12504134254 is an equidigital number, since it uses as much as digits as its factorization.

12504134254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252067129.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12504134254 its reverse (45243140521), we get a palindrome (57747274775).

The spelling of 12504134254 in words is "twelve billion, five hundred four million, one hundred thirty-four thousand, two hundred fifty-four".