12294951520 has 96 divisors (see below), whose sum is σ = 29412875520. Its totient is φ = 4856409600.

The previous prime is 12294951517. The next prime is 12294951521. The reversal of 12294951520 is 2515949221.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12294951521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4323219 + ... + 4326061.

It is an arithmetic number, because the mean of its divisors is an integer number (306384120).

Almost surely, 2^12294951520 is an apocalyptic number.

12294951520 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 12294951520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14706437760).

12294951520 is an abundant number, since it is smaller than the sum of its proper divisors (17117924000).

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

12294951520 is a wasteful number, since it uses less digits than its factorization.

12294951520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 12294951520 in words is "twelve billion, two hundred ninety-four million, nine hundred fifty-one thousand, five hundred twenty".