12121110100992 has 44 divisors (see below), whose sum is σ = 32307177582056. Its totient is φ = 4040370032640.

The previous prime is 12121110100963. The next prime is 12121110100997. The reversal of 12121110100992 is 29900101112121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121110100997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972833859 + ... + 1972840002.

Almost surely, 2^{12121110100992} is an apocalyptic number.

12121110100992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12121110100992 is an abundant number, since it is smaller than the sum of its proper divisors (20186067481064).

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

12121110100992 is an equidigital number, since it uses as much as digits as its factorization.

12121110100992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945673884 (or 3945673866 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 12121110100992 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, one hundred thousand, nine hundred ninety-two".