123012110312 has 64 divisors (see below), whose sum is σ = 283939756800. Its totient is φ = 48652876800.

The previous prime is 123012110311. The next prime is 123012110323. The reversal of 123012110312 is 213011210321.

It is not an unprimeable number, because it can be changed into a prime (123012110311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3587264 + ... + 3621392.

It is an arithmetic number, because the mean of its divisors is an integer number (4436558700).

Almost surely, 2^123012110312 is an apocalyptic number.

It is an amenable number.

123012110312 is an abundant number, since it is smaller than the sum of its proper divisors (160927646488).

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

123012110312 is a wasteful number, since it uses less digits than its factorization.

123012110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39106 (or 39102 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123012110312 its reverse (213011210321), we get a palindrome (336023320633).

The spelling of 123012110312 in words is "one hundred twenty-three billion, twelve million, one hundred ten thousand, three hundred twelve".