12121110103029 has 4 divisors (see below), whose sum is σ = 16161480137376. Its totient is φ = 8080740068684.

The previous prime is 12121110102961. The next prime is 12121110103049. The reversal of 12121110103029 is 92030101112121.

12121110103029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12121110103029 - 2²⁸ = 12120841667573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121110103049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020185017169 + ... + 2020185017174.

It is an arithmetic number, because the mean of its divisors is an integer number (4040370034344).

Almost surely, 2^{12121110103029} is an apocalyptic number.

It is an amenable number.

12121110103029 is a deficient number, since it is larger than the sum of its proper divisors (4040370034347).

12121110103029 is an equidigital number, since it uses as much as digits as its factorization.

12121110103029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040370034346.

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 12121110103029 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, one hundred three thousand, twenty-nine".