12612452277 has 4 divisors (see below), whose sum is σ = 16816603040. Its totient is φ = 8408301516.

The previous prime is 12612452231. The next prime is 12612452291. The reversal of 12612452277 is 77225421621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12612452277 - 2¹⁶ = 12612386741 is a prime.

It is a super-3 number, since 3×12612452277³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612456277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102075377 + ... + 2102075382.

It is an arithmetic number, because the mean of its divisors is an integer number (4204150760).

Almost surely, 2^12612452277 is an apocalyptic number.

It is an amenable number.

12612452277 is a deficient number, since it is larger than the sum of its proper divisors (4204150763).

12612452277 is an equidigital number, since it uses as much as digits as its factorization.

12612452277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204150762.

The product of its digits is 94080, while the sum is 39.

Adding to 12612452277 its reverse (77225421621), we get a palindrome (89837873898).

The spelling of 12612452277 in words is "twelve billion, six hundred twelve million, four hundred fifty-two thousand, two hundred seventy-seven".