123012212231130 has 32 divisors (see below), whose sum is σ = 295233693101568. Its totient is φ = 32802769512000.

The previous prime is 123012212231107. The next prime is 123012212231149. The reversal of 123012212231130 is 31132212210321.

It is a self number, because there is not a number n which added to its sum of digits gives 123012212231130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28386346 + ... + 32431605.

It is an arithmetic number, because the mean of its divisors is an integer number (9226052909424).

Almost surely, 2^{123012212231130} is an apocalyptic number.

123012212231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012212231130 is an abundant number, since it is smaller than the sum of its proper divisors (172221480870438).

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

123012212231130 is a wasteful number, since it uses less digits than its factorization.

123012212231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60885382.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123012212231130 its reverse (31132212210321), we get a palindrome (154144424441451).

The spelling of 123012212231130 in words is "one hundred twenty-three trillion, twelve billion, two hundred twelve million, two hundred thirty-one thousand, one hundred thirty".