123012214361129 has 4 divisors (see below), whose sum is σ = 123146068784640. Its totient is φ = 122878359937620.

The previous prime is 123012214361089. The next prime is 123012214361131. The reversal of 123012214361129 is 921163412210321.

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 123012214361129 - 2¹² = 123012214357033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012214361092 and 123012214361101.

It is not an unprimeable number, because it can be changed into a prime (123012214361149) 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, 66927210377 + ... + 66927212214.

It is an arithmetic number, because the mean of its divisors is an integer number (30786517196160).

Almost surely, 2^{123012214361129} is an apocalyptic number.

It is an amenable number.

123012214361129 is a deficient number, since it is larger than the sum of its proper divisors (133854423511).

123012214361129 is an equidigital number, since it uses as much as digits as its factorization.

123012214361129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133854423510.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 123012214361129 in words is "one hundred twenty-three trillion, twelve billion, two hundred fourteen million, three hundred sixty-one thousand, one hundred twenty-nine".