12465907751 has 8 divisors (see below), whose sum is σ = 13711563408. Its totient is φ = 11332642200.

The previous prime is 12465907739. The next prime is 12465907787. The reversal of 12465907751 is 15770956421.

It is not a de Polignac number, because 12465907751 - 2⁶ = 12465907687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12465907696 and 12465907705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465900751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681580 + ... + 4684241.

It is an arithmetic number, because the mean of its divisors is an integer number (1713945426).

Almost surely, 2^12465907751 is an apocalyptic number.

12465907751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12465907751 is a deficient number, since it is larger than the sum of its proper divisors (1245655657).

12465907751 is an frugal number, since it uses more digits than its factorization.

12465907751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365854 (or 9365832 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 12465907751 in words is "twelve billion, four hundred sixty-five million, nine hundred seven thousand, seven hundred fifty-one".