12669074730 has 384 divisors, whose sum is σ = 40260519936. Its totient is φ = 2836684800.

The previous prime is 12669074723. The next prime is 12669074731. The reversal of 12669074730 is 3747096621.

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

It is not an unprimeable number, because it can be changed into a prime (12669074731) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16647550 + ... + 16648310.

It is an arithmetic number, because the mean of its divisors is an integer number (104845104).

Almost surely, 2^12669074730 is an apocalyptic number.

12669074730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12669074730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20130259968).

12669074730 is an abundant number, since it is smaller than the sum of its proper divisors (27591445206).

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

12669074730 is a wasteful number, since it uses less digits than its factorization.

12669074730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 12669074730 in words is "twelve billion, six hundred sixty-nine million, seventy-four thousand, seven hundred thirty".