1199944356160 has 224 divisors, whose sum is σ = 3166750080000. Its totient is φ = 429423575040.

The previous prime is 1199944356151. The next prime is 1199944356161. The reversal of 1199944356160 is 616534499911.

It is a junction number, because it is equal to n+sod(n) for n = 1199944356095 and 1199944356104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199944356161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123078966 + ... + 123088714.

Almost surely, 2^{1199944356160} is an apocalyptic number.

1199944356160 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 1199944356160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583375040000).

1199944356160 is an abundant number, since it is smaller than the sum of its proper divisors (1966805723840).

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

1199944356160 is a wasteful number, since it uses less digits than its factorization.

1199944356160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 1199944356160 in words is "one trillion, one hundred ninety-nine billion, nine hundred forty-four million, three hundred fifty-six thousand, one hundred sixty".