12111994823010 has 64 divisors (see below), whose sum is σ = 29429400857472. Its totient is φ = 3189824623616.

The previous prime is 12111994822937. The next prime is 12111994823023. The reversal of 12111994823010 is 1032849911121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6206842 + ... + 7921418.

It is an arithmetic number, because the mean of its divisors is an integer number (459834388398).

Almost surely, 2^{12111994823010} is an apocalyptic number.

12111994823010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111994823010 is an abundant number, since it is smaller than the sum of its proper divisors (17317406034462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111994823010 is a wasteful number, since it uses less digits than its factorization.

12111994823010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717507.

The product of its (nonzero) digits is 31104, while the sum is 42.

The spelling of 12111994823010 in words is "twelve trillion, one hundred eleven billion, nine hundred ninety-four million, eight hundred twenty-three thousand, ten".