12791920470 has 128 divisors (see below), whose sum is σ = 37851826176. Its totient is φ = 2699913216.

The previous prime is 12791920439. The next prime is 12791920499. The reversal of 12791920470 is 7402919721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155407 + ... + 223013.

It is an arithmetic number, because the mean of its divisors is an integer number (295717392).

Almost surely, 2^12791920470 is an apocalyptic number.

12791920470 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 12791920470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18925913088).

12791920470 is an abundant number, since it is smaller than the sum of its proper divisors (25059905706).

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

12791920470 is a wasteful number, since it uses less digits than its factorization.

12791920470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67694.

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 12791920470 in words is "twelve billion, seven hundred ninety-one million, nine hundred twenty thousand, four hundred seventy".