12754422031 has 4 divisors (see below), whose sum is σ = 13735531432. Its totient is φ = 11773312632.

The previous prime is 12754422013. The next prime is 12754422067. The reversal of 12754422031 is 13022445721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13022445721 = 59 ⋅220719419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12754422031 is a prime.

It is a super-2 number, since 2×12754422031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12754421984 and 12754422002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12754420031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490554681 + ... + 490554706.

It is an arithmetic number, because the mean of its divisors is an integer number (3433882858).

Almost surely, 2^12754422031 is an apocalyptic number.

12754422031 is a deficient number, since it is larger than the sum of its proper divisors (981109401).

12754422031 is an equidigital number, since it uses as much as digits as its factorization.

12754422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981109400.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 12754422031 its reverse (13022445721), we get a palindrome (25776867752).

The spelling of 12754422031 in words is "twelve billion, seven hundred fifty-four million, four hundred twenty-two thousand, thirty-one".