12425240133156 has 48 divisors (see below), whose sum is σ = 29130488452800. Its totient is φ = 4121996229120.

The previous prime is 12425240133151. The next prime is 12425240133179. The reversal of 12425240133156 is 65133104252421.

It is a super-2 number, since 2×12425240133156² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12425240133151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138245320 + ... + 138335168.

It is an arithmetic number, because the mean of its divisors is an integer number (606885176100).

Almost surely, 2^{12425240133156} is an apocalyptic number.

It is an amenable number.

12425240133156 is an abundant number, since it is smaller than the sum of its proper divisors (16705248319644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12425240133156 is a wasteful number, since it uses less digits than its factorization.

12425240133156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144684 (or 144682 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 12425240133156 its reverse (65133104252421), we get a palindrome (77558344385577).

The spelling of 12425240133156 in words is "twelve trillion, four hundred twenty-five billion, two hundred forty million, one hundred thirty-three thousand, one hundred fifty-six".