123012300212155 has 8 divisors (see below), whose sum is σ = 147619499734512. Its totient is φ = 98406680516448.

The previous prime is 123012300212107. The next prime is 123012300212171. The reversal of 123012300212155 is 551212003210321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123012300212155 - 2⁴⁵ = 87827928123323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394785352 + ... + 395096821.

It is an arithmetic number, because the mean of its divisors is an integer number (18452437466814).

Almost surely, 2^{123012300212155} is an apocalyptic number.

123012300212155 is a deficient number, since it is larger than the sum of its proper divisors (24607199522357).

123012300212155 is an equidigital number, since it uses as much as digits as its factorization.

123012300212155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789913325.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 123012300212155 its reverse (551212003210321), we get a palindrome (674224303422476).

The spelling of 123012300212155 in words is "one hundred twenty-three trillion, twelve billion, three hundred million, two hundred twelve thousand, one hundred fifty-five".