123102413312 has 20 divisors (see below), whose sum is σ = 245964393246. Its totient is φ = 61551206400.

The previous prime is 123102413311. The next prime is 123102413333. The reversal of 123102413312 is 213314201321.

It can be written as a sum of positive squares in only one way, i.e., 93303367936 + 29799045376 = 305456^2 + 172624^2 .

It is not an unprimeable number, because it can be changed into a prime (123102413311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120216689 + ... + 120217712.

Almost surely, 2^123102413312 is an apocalyptic number.

It is an amenable number.

123102413312 is a deficient number, since it is larger than the sum of its proper divisors (122861979934).

123102413312 is an frugal number, since it uses more digits than its factorization.

123102413312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240434419 (or 240434403 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123102413312 its reverse (213314201321), we get a palindrome (336416614633).

The spelling of 123102413312 in words is "one hundred twenty-three billion, one hundred two million, four hundred thirteen thousand, three hundred twelve".