124352971512 has 128 divisors (see below), whose sum is σ = 390646333440. Its totient is φ = 32045086080.

The previous prime is 124352971453. The next prime is 124352971517. The reversal of 124352971512 is 215179253421.

It is a super-2 number, since 2×124352971512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124352971517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30228 + ... + 499619.

It is an arithmetic number, because the mean of its divisors is an integer number (3051924480).

Almost surely, 2^124352971512 is an apocalyptic number.

124352971512 is a gapful number since it is divisible by the number (12) 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 124352971512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195323166720).

124352971512 is an abundant number, since it is smaller than the sum of its proper divisors (266293361928).

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

124352971512 is a wasteful number, since it uses less digits than its factorization.

124352971512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530001 (or 529997 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 124352971512 in words is "one hundred twenty-four billion, three hundred fifty-two million, nine hundred seventy-one thousand, five hundred twelve".