1201112999 has 4 divisors (see below), whose sum is σ = 1230408480. Its totient is φ = 1171817520.

The previous prime is 1201112963. The next prime is 1201113031. The reversal of 1201112999 is 9992111021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9992111021 = 8461 ⋅1180961.

It is a cyclic number.

It is not a de Polignac number, because 1201112999 - 2¹² = 1201108903 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 (1201112929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14647679 + ... + 14647760.

It is an arithmetic number, because the mean of its divisors is an integer number (307602120).

Almost surely, 2^1201112999 is an apocalyptic number.

1201112999 is a deficient number, since it is larger than the sum of its proper divisors (29295481).

1201112999 is an equidigital number, since it uses as much as digits as its factorization.

1201112999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29295480.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 1201112999 is about 34657.0771848983. The cubic root of 1201112999 is about 1062.9870059744.

The spelling of 1201112999 in words is "one billion, two hundred one million, one hundred twelve thousand, nine hundred ninety-nine".