123012242215230 has 128 divisors (see below), whose sum is σ = 298451430334080. Its totient is φ = 32445929062400.

The previous prime is 123012242215147. The next prime is 123012242215253. The reversal of 123012242215230 is 32512242210321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21745134562 + ... + 21745140218.

It is an arithmetic number, because the mean of its divisors is an integer number (2331651799485).

Almost surely, 2^{123012242215230} is an apocalyptic number.

123012242215230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012242215230 is an abundant number, since it is smaller than the sum of its proper divisors (175439188118850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123012242215230 is a wasteful number, since it uses less digits than its factorization.

123012242215230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 123012242215230 its reverse (32512242210321), we get a palindrome (155524484425551).

The spelling of 123012242215230 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty-two million, two hundred fifteen thousand, two hundred thirty".