12111020983 has 12 divisors (see below), whose sum is σ = 13542469960. Its totient is φ = 10798676352.

The previous prime is 12111020951. The next prime is 12111020989. The reversal of 12111020983 is 38902011121.

It is not a de Polignac number, because 12111020983 - 2⁵ = 12111020951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111020989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097316 + ... + 1108297.

Almost surely, 2^12111020983 is an apocalyptic number.

12111020983 is a deficient number, since it is larger than the sum of its proper divisors (1431448977).

12111020983 is a wasteful number, since it uses less digits than its factorization.

12111020983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205666 (or 2205649 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 12111020983 in words is "twelve billion, one hundred eleven million, twenty thousand, nine hundred eighty-three".