123512742496 has 96 divisors (see below), whose sum is σ = 294892932096. Its totient is φ = 50151744000.

The previous prime is 123512742487. The next prime is 123512742499. The reversal of 123512742496 is 694247215321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123512742499) 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, 293490 + ... + 577201.

It is an arithmetic number, because the mean of its divisors is an integer number (3071801376).

Almost surely, 2^123512742496 is an apocalyptic number.

123512742496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123512742496 is an abundant number, since it is smaller than the sum of its proper divisors (171380189600).

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

123512742496 is a wasteful number, since it uses less digits than its factorization.

123512742496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870756 (or 870748 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The spelling of 123512742496 in words is "one hundred twenty-three billion, five hundred twelve million, seven hundred forty-two thousand, four hundred ninety-six".