1199986920900 has 108 divisors (see below), whose sum is σ = 3773158510212. Its totient is φ = 318986983680.

The previous prime is 1199986920863. The next prime is 1199986920911. The reversal of 1199986920900 is 90296899911.

It can be written as a sum of positive squares in 6 ways, for example, as 93148260804 + 1106838660096 = 305202^2 + 1052064^2 .

It is a super-2 number, since 2×1199986920900² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1817727 + ... + 2388326.

Almost surely, 2^{1199986920900} is an apocalyptic number.

1199986920900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199986920900 is an abundant number, since it is smaller than the sum of its proper divisors (2573171589312).

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

1199986920900 is a wasteful number, since it uses less digits than its factorization.

1199986920900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206390 (or 4206380 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 63.

The spelling of 1199986920900 in words is "one trillion, one hundred ninety-nine billion, nine hundred eighty-six million, nine hundred twenty thousand, nine hundred".