12245999700 has 144 divisors (see below), whose sum is σ = 40687395840. Its totient is φ = 2812464000.

The previous prime is 12245999669. The next prime is 12245999707. The reversal of 12245999700 is 799954221.

It is a self number, because there is not a number n which added to its sum of digits gives 12245999700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245999707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34956 + ... + 160355.

It is an arithmetic number, because the mean of its divisors is an integer number (282551360).

Almost surely, 2^12245999700 is an apocalyptic number.

12245999700 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 12245999700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20343697920).

12245999700 is an abundant number, since it is smaller than the sum of its proper divisors (28441396140).

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

12245999700 is a wasteful number, since it uses less digits than its factorization.

12245999700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195358 (or 195351 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 12245999700 in words is "twelve billion, two hundred forty-five million, nine hundred ninety-nine thousand, seven hundred".