123102001011195 has 64 divisors (see below), whose sum is σ = 219355588391040. Its totient is φ = 65502298681344.

The previous prime is 123102001011179. The next prime is 123102001011211. The reversal of 123102001011195 is 591110100201321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123102001011179) and next prime (123102001011211).

It is not a de Polignac number, because 123102001011195 - 2⁴ = 123102001011179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101351127 + ... + 102558543.

It is an arithmetic number, because the mean of its divisors is an integer number (3427431068610).

Almost surely, 2^{123102001011195} is an apocalyptic number.

123102001011195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123102001011195 is a deficient number, since it is larger than the sum of its proper divisors (96253587379845).

123102001011195 is a wasteful number, since it uses less digits than its factorization.

123102001011195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209181 (or 1209175 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 27.

The spelling of 123102001011195 in words is "one hundred twenty-three trillion, one hundred two billion, one million, eleven thousand, one hundred ninety-five".