124212421456 has 20 divisors (see below), whose sum is σ = 241071570432. Its totient is φ = 62000403296.

The previous prime is 124212421369. The next prime is 124212421471. The reversal of 124212421456 is 654124212421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6603280 + ... + 6622063.

Almost surely, 2^124212421456 is an apocalyptic number.

124212421456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

124212421456 is a deficient number, since it is larger than the sum of its proper divisors (116859148976).

124212421456 is a wasteful number, since it uses less digits than its factorization.

124212421456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13225938 (or 13225932 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

Adding to 124212421456 its reverse (654124212421), we get a palindrome (778336633877).

The spelling of 124212421456 in words is "one hundred twenty-four billion, two hundred twelve million, four hundred twenty-one thousand, four hundred fifty-six".