124216363612421 has 8 divisors (see below), whose sum is σ = 128413425802200. Its totient is φ = 120074891650560.

The previous prime is 124216363612391. The next prime is 124216363612441.

124216363612421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3421665025 + 124212941947396 = 58495^2 + 11145086^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124216363612421 - 2¹⁰ = 124216363611397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124216363612441) 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, 13897552436 + ... + 13897561373.

It is an arithmetic number, because the mean of its divisors is an integer number (16051678225275).

Almost surely, 2^{124216363612421} is an apocalyptic number.

It is an amenable number.

124216363612421 is a deficient number, since it is larger than the sum of its proper divisors (4197062189779).

124216363612421 is a wasteful number, since it uses less digits than its factorization.

124216363612421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27795113959.

The product of its digits is 497664, while the sum is 44.

The spelling of 124216363612421 in words is "one hundred twenty-four trillion, two hundred sixteen billion, three hundred sixty-three million, six hundred twelve thousand, four hundred twenty-one".