124312133421 has 48 divisors (see below), whose sum is σ = 210858510720. Its totient is φ = 69095255040.

The previous prime is 124312133383. The next prime is 124312133431. The reversal of 124312133421 is 124331213421.

124312133421 is a `hidden beast` number, since 1 + 2 + 4 + 312 + 1 + 3 + 342 + 1 = 666.

It is not a de Polignac number, because 124312133421 - 2⁹ = 124312132909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124312133431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 557665 + ... + 748073.

It is an arithmetic number, because the mean of its divisors is an integer number (4392885640).

Almost surely, 2^124312133421 is an apocalyptic number.

It is an amenable number.

124312133421 is a deficient number, since it is larger than the sum of its proper divisors (86546377299).

124312133421 is a wasteful number, since it uses less digits than its factorization.

124312133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190706 (or 190703 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 124312133421 its reverse (124331213421), we get a palindrome (248643346842).

The spelling of 124312133421 in words is "one hundred twenty-four billion, three hundred twelve million, one hundred thirty-three thousand, four hundred twenty-one".