12626265251 has 4 divisors (see below), whose sum is σ = 12756433032. Its totient is φ = 12496097472.

The previous prime is 12626265217. The next prime is 12626265269. The reversal of 12626265251 is 15256262621.

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: 15256262621 = 17 ⋅897427213.

It is a cyclic number.

It is not a de Polignac number, because 12626265251 - 2¹⁴ = 12626248867 is a prime.

It is a super-2 number, since 2×12626265251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12626265851) 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, 65083745 + ... + 65083938.

It is an arithmetic number, because the mean of its divisors is an integer number (3189108258).

Almost surely, 2^12626265251 is an apocalyptic number.

12626265251 is a deficient number, since it is larger than the sum of its proper divisors (130167781).

12626265251 is an equidigital number, since it uses as much as digits as its factorization.

12626265251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130167780.

The product of its digits is 86400, while the sum is 38.

The spelling of 12626265251 in words is "twelve billion, six hundred twenty-six million, two hundred sixty-five thousand, two hundred fifty-one".