12622242240 has 84 divisors (see below), whose sum is σ = 43415263944. Its totient is φ = 3365930496.

The previous prime is 12622242187. The next prime is 12622242253. The reversal of 12622242240 is 4224222621.

12622242240 is a `hidden beast` number, since 12 + 6 + 222 + 422 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2188482 + ... + 2194241.

Almost surely, 2^12622242240 is an apocalyptic number.

12622242240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12622242240 is an abundant number, since it is smaller than the sum of its proper divisors (30793021704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12622242240 is a wasteful number, since it uses less digits than its factorization.

12622242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382746 (or 4382733 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12622242240 its reverse (4224222621), we get a palindrome (16846464861).

The spelling of 12622242240 in words is "twelve billion, six hundred twenty-two million, two hundred forty-two thousand, two hundred forty".