12622388385 has 32 divisors (see below), whose sum is σ = 21522309120. Its totient is φ = 6302234048.

The previous prime is 12622388377. The next prime is 12622388399. The reversal of 12622388385 is 58388322621.

It is not a de Polignac number, because 12622388385 - 2³ = 12622388377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373005 + ... + 405434.

It is an arithmetic number, because the mean of its divisors is an integer number (672572160).

Almost surely, 2^12622388385 is an apocalyptic number.

12622388385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12622388385 is a deficient number, since it is larger than the sum of its proper divisors (8899920735).

12622388385 is a wasteful number, since it uses less digits than its factorization.

12622388385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778517.

The product of its digits is 1105920, while the sum is 48.

The spelling of 12622388385 in words is "twelve billion, six hundred twenty-two million, three hundred eighty-eight thousand, three hundred eighty-five".