124212351543243 has 16 divisors (see below), whose sum is σ = 165781530160512. Its totient is φ = 82725710760000.

The previous prime is 124212351543223. The next prime is 124212351543263. The reversal of 124212351543243 is 342345153212421.

It is an interprime number because it is at equal distance from previous prime (124212351543223) and next prime (124212351543263).

It is not a de Polignac number, because 124212351543243 - 2¹² = 124212351539147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124212351543195 and 124212351543204.

It is not an unprimeable number, because it can be changed into a prime (124212351543223) 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, 69878728 + ... + 71634218.

It is an arithmetic number, because the mean of its divisors is an integer number (10361345635032).

Almost surely, 2^{124212351543243} is an apocalyptic number.

124212351543243 is a deficient number, since it is larger than the sum of its proper divisors (41569178617269).

124212351543243 is a wasteful number, since it uses less digits than its factorization.

124212351543243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778986.

The product of its digits is 691200, while the sum is 42.

The spelling of 124212351543243 in words is "one hundred twenty-four trillion, two hundred twelve billion, three hundred fifty-one million, five hundred forty-three thousand, two hundred forty-three".