12101210333123 has 4 divisors (see below), whose sum is σ = 12627349912848. Its totient is φ = 11575070753400.

The previous prime is 12101210333087. The next prime is 12101210333129. The reversal of 12101210333123 is 32133301210121.

12101210333123 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.

It is not a de Polignac number, because 12101210333123 - 2¹⁸ = 12101210070979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 526139579701 = 12101210333123 / (1 + 2 + 1 + 0 + 1 + 2 + 1 + 0 + 3 + 3 + 3 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101210333129) 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, 263069789828 + ... + 263069789873.

It is an arithmetic number, because the mean of its divisors is an integer number (3156837478212).

Almost surely, 2^{12101210333123} is an apocalyptic number.

12101210333123 is a deficient number, since it is larger than the sum of its proper divisors (526139579725).

12101210333123 is an equidigital number, since it uses as much as digits as its factorization.

12101210333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526139579724.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12101210333123 its reverse (32133301210121), we get a palindrome (44234511543244).

The spelling of 12101210333123 in words is "twelve trillion, one hundred one billion, two hundred ten million, three hundred thirty-three thousand, one hundred twenty-three".