123012133333 has 4 divisors (see below), whose sum is σ = 129486456160. Its totient is φ = 116537810508.

The previous prime is 123012133303. The next prime is 123012133337. The reversal of 123012133333 is 333331210321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 333331210321 = 6581 ⋅50650541.

It is a cyclic number.

It is not a de Polignac number, because 123012133333 - 2⁵ = 123012133301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123012133298 and 123012133307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012133337) 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, 3237161385 + ... + 3237161422.

It is an arithmetic number, because the mean of its divisors is an integer number (32371614040).

Almost surely, 2^123012133333 is an apocalyptic number.

It is an amenable number.

123012133333 is a deficient number, since it is larger than the sum of its proper divisors (6474322827).

123012133333 is an equidigital number, since it uses as much as digits as its factorization.

123012133333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474322826.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 123012133333 its reverse (333331210321), we get a palindrome (456343343654).

The spelling of 123012133333 in words is "one hundred twenty-three billion, twelve million, one hundred thirty-three thousand, three hundred thirty-three".