12193047720 has 256 divisors, whose sum is σ = 47949004800. Its totient is φ = 2697027840.

The previous prime is 12193047697. The next prime is 12193047743. The reversal of 12193047720 is 2774039121.

It is an interprime number because it is at equal distance from previous prime (12193047697) and next prime (12193047743).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 208347 + ... + 260373.

It is an arithmetic number, because the mean of its divisors is an integer number (187300800).

Almost surely, 2^12193047720 is an apocalyptic number.

12193047720 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 12193047720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23974502400).

12193047720 is an abundant number, since it is smaller than the sum of its proper divisors (35755957080).

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

12193047720 is a wasteful number, since it uses less digits than its factorization.

12193047720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52085 (or 52075 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 12193047720 in words is "twelve billion, one hundred ninety-three million, forty-seven thousand, seven hundred twenty".