123244412240000 has 160 divisors (see below), whose sum is σ = 309151343215440. Its totient is φ = 48921441920000.

The previous prime is 123244412239967. The next prime is 123244412240069. The reversal of 123244412240000 is 42214442321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4600019 + ... + 16359981.

Almost surely, 2^{123244412240000} is an apocalyptic number.

123244412240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123244412240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154575671607720).

123244412240000 is an abundant number, since it is smaller than the sum of its proper divisors (185906930975440).

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

123244412240000 is an equidigital number, since it uses as much as digits as its factorization.

123244412240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760128 (or 11760101 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 123244412240000 its reverse (42214442321), we get a palindrome (123286626682321).

The spelling of 123244412240000 in words is "one hundred twenty-three trillion, two hundred forty-four billion, four hundred twelve million, two hundred forty thousand".