12197847600 has 360 divisors, whose sum is σ = 44471082240. Its totient is φ = 3090193920.

The previous prime is 12197847589. The next prime is 12197847611. The reversal of 12197847600 is 674879121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12197847589) and next prime (12197847611).

It is a tau number, because it is divible by the number of its divisors (360).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14820789 + ... + 14821611.

It is an arithmetic number, because the mean of its divisors is an integer number (123530784).

Almost surely, 2^12197847600 is an apocalyptic number.

12197847600 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 12197847600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22235541120).

12197847600 is an abundant number, since it is smaller than the sum of its proper divisors (32273234640).

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

12197847600 is a wasteful number, since it uses less digits than its factorization.

12197847600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 12197847600 in words is "twelve billion, one hundred ninety-seven million, eight hundred forty-seven thousand, six hundred".