12461261351 has 12 divisors (see below), whose sum is σ = 15653816976. Its totient is φ = 9710073120.

The previous prime is 12461261347. The next prime is 12461261381. The reversal of 12461261351 is 15316216421.

It is not a de Polignac number, because 12461261351 - 2² = 12461261347 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461261381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7355270 + ... + 7356963.

It is an arithmetic number, because the mean of its divisors is an integer number (1304484748).

Almost surely, 2^12461261351 is an apocalyptic number.

12461261351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12461261351 is a deficient number, since it is larger than the sum of its proper divisors (3192555625).

12461261351 is a wasteful number, since it uses less digits than its factorization.

12461261351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712262 (or 14712251 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

Adding to 12461261351 its reverse (15316216421), we get a palindrome (27777477772).

The spelling of 12461261351 in words is "twelve billion, four hundred sixty-one million, two hundred sixty-one thousand, three hundred fifty-one".