1219115383200 has 2880 divisors, whose sum is σ = 5659715255040. Its totient is φ = 250822656000.

The previous prime is 1219115383193. The next prime is 1219115383229. The reversal of 1219115383200 is 23835119121.

1219115383200 is a `hidden beast` number, since 1 + 2 + 1 + 91 + 1 + 538 + 32 + 0 + 0 = 666.

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 479 ways as a sum of consecutive naturals, for example, 11184544746 + ... + 11184544854.

It is an arithmetic number, because the mean of its divisors is an integer number (1965178908).

Almost surely, 2^{1219115383200} is an apocalyptic number.

1219115383200 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 1219115383200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2829857627520).

1219115383200 is an abundant number, since it is smaller than the sum of its proper divisors (4440599871840).

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

1219115383200 is a wasteful number, since it uses less digits than its factorization.

1219115383200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 1219115383200 in words is "one trillion, two hundred nineteen billion, one hundred fifteen million, three hundred eighty-three thousand, two hundred".