11992957200 has 300 divisors, whose sum is σ = 49191514240. Its totient is φ = 2741195520.

The previous prime is 11992957159. The next prime is 11992957211. The reversal of 11992957200 is 275929911.

It is a tau number, because it is divible by the number of its divisors (300).

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 59 ways as a sum of consecutive naturals, for example, 200361 + ... + 253239.

Almost surely, 2^11992957200 is an apocalyptic number.

11992957200 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 11992957200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24595757120).

11992957200 is an abundant number, since it is smaller than the sum of its proper divisors (37198557040).

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

11992957200 is a wasteful number, since it uses less digits than its factorization.

11992957200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52916 (or 52896 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 11992957200 in words is "eleven billion, nine hundred ninety-two million, nine hundred fifty-seven thousand, two hundred".