12450512455 has 4 divisors (see below), whose sum is σ = 14940614952. Its totient is φ = 9960409960.

The previous prime is 12450512453. The next prime is 12450512491. The reversal of 12450512455 is 55421505421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55421505421 = 1213 ⋅45689617.

It is not a de Polignac number, because 12450512455 - 2¹ = 12450512453 is a prime.

It is a super-2 number, since 2×12450512455² (a number of 21 digits) contains 22 as substring.

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 12450512455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450512453) 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, 1245051241 + ... + 1245051250.

It is an arithmetic number, because the mean of its divisors is an integer number (3735153738).

Almost surely, 2^12450512455 is an apocalyptic number.

12450512455 is a deficient number, since it is larger than the sum of its proper divisors (2490102497).

12450512455 is an equidigital number, since it uses as much as digits as its factorization.

12450512455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490102496.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 12450512455 in words is "twelve billion, four hundred fifty million, five hundred twelve thousand, four hundred fifty-five".