12011101993 has 16 divisors (see below), whose sum is σ = 13727600640. Its totient is φ = 10409216400.

The previous prime is 12011101969. The next prime is 12011102009. The reversal of 12011101993 is 39910111021.

It is not a de Polignac number, because 12011101993 - 2⁹ = 12011101481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011101913) 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, 240013 + ... + 285706.

It is an arithmetic number, because the mean of its divisors is an integer number (857975040).

Almost surely, 2^12011101993 is an apocalyptic number.

It is an amenable number.

12011101993 is a deficient number, since it is larger than the sum of its proper divisors (1716498647).

12011101993 is a wasteful number, since it uses less digits than its factorization.

12011101993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525828.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 12011101993 in words is "twelve billion, eleven million, one hundred one thousand, nine hundred ninety-three".