1200119923861 has 32 divisors (see below), whose sum is σ = 1328173690880. Its totient is φ = 1080056073600.

The previous prime is 1200119923841. The next prime is 1200119923927. The reversal of 1200119923861 is 1683299110021.

It is a cyclic number.

It is not a de Polignac number, because 1200119923861 - 2³⁹ = 650364109973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200119923831) 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, 9006226 + ... + 9138508.

It is an arithmetic number, because the mean of its divisors is an integer number (41505427840).

Almost surely, 2^{1200119923861} is an apocalyptic number.

It is an amenable number.

1200119923861 is a deficient number, since it is larger than the sum of its proper divisors (128053767019).

1200119923861 is a wasteful number, since it uses less digits than its factorization.

1200119923861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132617.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 1200119923861 in words is "one trillion, two hundred billion, one hundred nineteen million, nine hundred twenty-three thousand, eight hundred sixty-one".