12380026845 has 16 divisors (see below), whose sum is σ = 19819742400. Its totient is φ = 6598781184.

The previous prime is 12380026837. The next prime is 12380026847. The reversal of 12380026845 is 54862008321.

It is not a de Polignac number, because 12380026845 - 2³ = 12380026837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380026847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217404 + ... + 268373.

It is an arithmetic number, because the mean of its divisors is an integer number (1238733900).

Almost surely, 2^12380026845 is an apocalyptic number.

12380026845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12380026845 is a deficient number, since it is larger than the sum of its proper divisors (7439715555).

12380026845 is a wasteful number, since it uses less digits than its factorization.

12380026845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487484.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 12380026845 in words is "twelve billion, three hundred eighty million, twenty-six thousand, eight hundred forty-five".