1199426706888 has 192 divisors, whose sum is σ = 3230201472960. Its totient is φ = 370833458688.

The previous prime is 1199426706859. The next prime is 1199426706913. The reversal of 1199426706888 is 8886076249911.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144209706 + ... + 144218022.

It is an arithmetic number, because the mean of its divisors is an integer number (16823966005).

Almost surely, 2^{1199426706888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199426706888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615100736480).

1199426706888 is an abundant number, since it is smaller than the sum of its proper divisors (2030774766072).

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

1199426706888 is a wasteful number, since it uses less digits than its factorization.

1199426706888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716 (or 8689 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 69.

The spelling of 1199426706888 in words is "one trillion, one hundred ninety-nine billion, four hundred twenty-six million, seven hundred six thousand, eight hundred eighty-eight".