124213312421 has 12 divisors (see below), whose sum is σ = 143717884800. Its totient is φ = 106977970440.

The previous prime is 124213312409. The next prime is 124213312427.

It is a happy number.

124213312421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124213312421 - 2³⁰ = 123139570597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124213312427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27012341 + ... + 27016938.

It is an arithmetic number, because the mean of its divisors is an integer number (11976490400).

Almost surely, 2^124213312421 is an apocalyptic number.

124213312421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124213312421 is a deficient number, since it is larger than the sum of its proper divisors (19504572379).

124213312421 is a wasteful number, since it uses less digits than its factorization.

124213312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54029320 (or 54029309 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 124213 and 312421, that added together give a palindrome (436634).

The spelling of 124213312421 in words is "one hundred twenty-four billion, two hundred thirteen million, three hundred twelve thousand, four hundred twenty-one".