1199358412 has 48 divisors (see below), whose sum is σ = 2478615552. Its totient is φ = 497165760.

The previous prime is 1199358397. The next prime is 1199358439. The reversal of 1199358412 is 2148539911.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99673 + ... + 111055.

It is an arithmetic number, because the mean of its divisors is an integer number (51637824).

Almost surely, 2^1199358412 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 1199358412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239307776).

1199358412 is an abundant number, since it is smaller than the sum of its proper divisors (1279257140).

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

1199358412 is a wasteful number, since it uses less digits than its factorization.

1199358412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 1199358412 is about 34631.7543881334. The cubic root of 1199358412 is about 1062.4691495910.

The spelling of 1199358412 in words is "one billion, one hundred ninety-nine million, three hundred fifty-eight thousand, four hundred twelve".