12672229945 has 8 divisors (see below), whose sum is σ = 15229275336. Its totient is φ = 10122717696.

The previous prime is 12672229919. The next prime is 12672229957. The reversal of 12672229945 is 54992227621.

It can be written as a sum of positive squares in 4 ways, for example, as 3637537344 + 9034692601 = 60312^2 + 95051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12672229945 - 2⁹ = 12672229433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879582 + ... + 1886311.

It is an arithmetic number, because the mean of its divisors is an integer number (1903659417).

Almost surely, 2^12672229945 is an apocalyptic number.

It is an amenable number.

12672229945 is a deficient number, since it is larger than the sum of its proper divisors (2557045391).

12672229945 is an equidigital number, since it uses as much as digits as its factorization.

12672229945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766571.

The product of its digits is 1088640, while the sum is 49.

The spelling of 12672229945 in words is "twelve billion, six hundred seventy-two million, two hundred twenty-nine thousand, nine hundred forty-five".