4124231021421 has 48 divisors (see below), whose sum is σ = 6949767552000. Its totient is φ = 2355831892512.

The previous prime is 4124231021401. The next prime is 4124231021431. The reversal of 4124231021421 is 1241201324214.

4124231021421 is a `hidden beast` number, since 4 + 1 + 2 + 4 + 231 + 0 + 2 + 1 + 421 = 666.

It is not a de Polignac number, because 4124231021421 - 2¹⁰ = 4124231020397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124231021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8147875 + ... + 8639231.

It is an arithmetic number, because the mean of its divisors is an integer number (144786824000).

Almost surely, 2^{4124231021421} is an apocalyptic number.

It is an amenable number.

4124231021421 is a deficient number, since it is larger than the sum of its proper divisors (2825536530579).

4124231021421 is a wasteful number, since it uses less digits than its factorization.

4124231021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494103 (or 494086 counting only the distinct ones).

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

Adding to 4124231021421 its reverse (1241201324214), we get a palindrome (5365432345635).

The spelling of 4124231021421 in words is "four trillion, one hundred twenty-four billion, two hundred thirty-one million, twenty-one thousand, four hundred twenty-one".