123234123012 has 96 divisors (see below), whose sum is σ = 386076171264. Its totient is φ = 29546640000.

The previous prime is 123234123007. The next prime is 123234123013. The reversal of 123234123012 is 210321432321.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (123234123013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5117614 + ... + 5141637.

It is an arithmetic number, because the mean of its divisors is an integer number (4021626784).

Almost surely, 2^123234123012 is an apocalyptic number.

123234123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123234123012 is an abundant number, since it is smaller than the sum of its proper divisors (262842048252).

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

123234123012 is a wasteful number, since it uses less digits than its factorization.

123234123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259289 (or 10259287 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123234123012 its reverse (210321432321), we get a palindrome (333555555333).

The spelling of 123234123012 in words is "one hundred twenty-three billion, two hundred thirty-four million, one hundred twenty-three thousand, twelve".