12622299840 has 168 divisors, whose sum is σ = 43459999440. Its totient is φ = 3362494464.

The previous prime is 12622299821. The next prime is 12622299863. The reversal of 12622299840 is 4899222621.

12622299840 is a `hidden beast` number, since 12 + 622 + 2 + 9 + 9 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4113987 + ... + 4117053.

Almost surely, 2^12622299840 is an apocalyptic number.

12622299840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12622299840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21729999720).

12622299840 is an abundant number, since it is smaller than the sum of its proper divisors (30837699600).

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

12622299840 is a wasteful number, since it uses less digits than its factorization.

12622299840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 12622299840 in words is "twelve billion, six hundred twenty-two million, two hundred ninety-nine thousand, eight hundred forty".