12261367463 has 4 divisors (see below), whose sum is σ = 12560425248. Its totient is φ = 11962309680.

The previous prime is 12261367429. The next prime is 12261367499. The reversal of 12261367463 is 36476316221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12261367463 is a prime.

It is a super-2 number, since 2×12261367463² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 299057743 = 12261367463 / (1 + 2 + 2 + 6 + 1 + 3 + 6 + 7 + 4 + 6 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12261367463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261367663) 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, 149528831 + ... + 149528912.

It is an arithmetic number, because the mean of its divisors is an integer number (3140106312).

Almost surely, 2^12261367463 is an apocalyptic number.

12261367463 is a deficient number, since it is larger than the sum of its proper divisors (299057785).

12261367463 is an equidigital number, since it uses as much as digits as its factorization.

12261367463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299057784.

The product of its digits is 217728, while the sum is 41.

The spelling of 12261367463 in words is "twelve billion, two hundred sixty-one million, three hundred sixty-seven thousand, four hundred sixty-three".