12172573254 has 16 divisors (see below), whose sum is σ = 24618688560. Its totient is φ = 4011934080.

The previous prime is 12172573253. The next prime is 12172573261. The reversal of 12172573254 is 45237527121.

12172573254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12172573254² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172573253) 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 7 ways as a sum of consecutive naturals, for example, 11397007 + ... + 11398074.

It is an arithmetic number, because the mean of its divisors is an integer number (1538668035).

Almost surely, 2^12172573254 is an apocalyptic number.

12172573254 is an abundant number, since it is smaller than the sum of its proper divisors (12446115306).

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

12172573254 is a wasteful number, since it uses less digits than its factorization.

12172573254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22795175.

The product of its digits is 117600, while the sum is 39.

The spelling of 12172573254 in words is "twelve billion, one hundred seventy-two million, five hundred seventy-three thousand, two hundred fifty-four".