1201112099999 has 16 divisors (see below), whose sum is σ = 1375007800320. Its totient is φ = 1027793875680.

The previous prime is 1201112099983. The next prime is 1201112100011. The reversal of 1201112099999 is 9999902111021.

It is a cyclic number.

It is not a de Polignac number, because 1201112099999 - 2⁴ = 1201112099983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201112099999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112099939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57516842 + ... + 57537720.

It is an arithmetic number, because the mean of its divisors is an integer number (85937987520).

Almost surely, 2^{1201112099999} is an apocalyptic number.

1201112099999 is a deficient number, since it is larger than the sum of its proper divisors (173895700321).

1201112099999 is a wasteful number, since it uses less digits than its factorization.

1201112099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34310.

The product of its (nonzero) digits is 236196, while the sum is 53.

The spelling of 1201112099999 in words is "one trillion, two hundred one billion, one hundred twelve million, ninety-nine thousand, nine hundred ninety-nine".