12102011993 has 8 divisors (see below), whose sum is σ = 12191870400. Its totient is φ = 12012269040.

The previous prime is 12102011989. The next prime is 12102012023. The reversal of 12102011993 is 39911020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102011993 - 2² = 12102011989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102011923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187538 + ... + 243668.

It is an arithmetic number, because the mean of its divisors is an integer number (1523983800).

Almost surely, 2^12102011993 is an apocalyptic number.

It is an amenable number.

12102011993 is a deficient number, since it is larger than the sum of its proper divisors (89858407).

12102011993 is a wasteful number, since it uses less digits than its factorization.

12102011993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57727.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 12102011993 in words is "twelve billion, one hundred two million, eleven thousand, nine hundred ninety-three".