124045512512 has 56 divisors (see below), whose sum is σ = 250279341960. Its totient is φ = 60983746560.

The previous prime is 124045512499. The next prime is 124045512517. The reversal of 124045512512 is 215215540421.

It can be written as a sum of positive squares in 4 ways, for example, as 8320358656 + 115725153856 = 91216^2 + 340184^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124045512517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17396564 + ... + 17403692.

Almost surely, 2^124045512512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124045512512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125139670980).

124045512512 is an abundant number, since it is smaller than the sum of its proper divisors (126233829448).

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

124045512512 is an equidigital number, since it uses as much as digits as its factorization.

124045512512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11659 (or 11649 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 124045512512 in words is "one hundred twenty-four billion, forty-five million, five hundred twelve thousand, five hundred twelve".