124412231421 has 16 divisors (see below), whose sum is σ = 185344113600. Its totient is φ = 82478124144.

The previous prime is 124412231407. The next prime is 124412231443. The reversal of 124412231421 is 124132214421.

124412231421 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 1 + 2 + 231 + 421 = 666.

It is not a de Polignac number, because 124412231421 - 2²⁷ = 124278013693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124412231221) 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, 12866286 + ... + 12875951.

It is an arithmetic number, because the mean of its divisors is an integer number (11584007100).

Almost surely, 2^124412231421 is an apocalyptic number.

It is an amenable number.

124412231421 is a deficient number, since it is larger than the sum of its proper divisors (60931882179).

124412231421 is a wasteful number, since it uses less digits than its factorization.

124412231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25742425 (or 25742419 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 124412231421 its reverse (124132214421), we get a palindrome (248544445842).

The spelling of 124412231421 in words is "one hundred twenty-four billion, four hundred twelve million, two hundred thirty-one thousand, four hundred twenty-one".