123250405312 has 14 divisors (see below), whose sum is σ = 244575023168. Its totient is φ = 61625202624.

The previous prime is 123250405277. The next prime is 123250405351. The reversal of 123250405312 is 213504052321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962893728 + ... + 962893855.

It is an arithmetic number, because the mean of its divisors is an integer number (17469644512).

Almost surely, 2^123250405312 is an apocalyptic number.

It is an amenable number.

123250405312 is a deficient number, since it is larger than the sum of its proper divisors (121324617856).

123250405312 is an equidigital number, since it uses as much as digits as its factorization.

123250405312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925787595 (or 1925787585 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 123250405312 its reverse (213504052321), we get a palindrome (336754457633).

The spelling of 123250405312 in words is "one hundred twenty-three billion, two hundred fifty million, four hundred five thousand, three hundred twelve".