12464567622 has 144 divisors (see below), whose sum is σ = 30559492080. Its totient is φ = 3666394368.

The previous prime is 12464567617. The next prime is 12464567627. The reversal of 12464567622 is 22676546421.

12464567622 is a `hidden beast` number, since 1 + 2 + 4 + 64 + 567 + 6 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (12464567617) and next prime (12464567627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12464567627) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6639748 + ... + 6641624.

It is an arithmetic number, because the mean of its divisors is an integer number (212218695).

Almost surely, 2^12464567622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12464567622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15279746040).

12464567622 is an abundant number, since it is smaller than the sum of its proper divisors (18094924458).

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

12464567622 is a wasteful number, since it uses less digits than its factorization.

12464567622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 1991 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 12464567622 in words is "twelve billion, four hundred sixty-four million, five hundred sixty-seven thousand, six hundred twenty-two".