3421231412421 has 16 divisors (see below), whose sum is σ = 4830185931264. Its totient is φ = 2146560705024.

The previous prime is 3421231412407. The next prime is 3421231412519. The reversal of 3421231412421 is 1242141321243.

It is a happy number.

It is not a de Polignac number, because 3421231412421 - 2²¹ = 3421229315269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421231412821) 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, 291856 + ... + 2632041.

It is an arithmetic number, because the mean of its divisors is an integer number (301886620704).

Almost surely, 2^{3421231412421} is an apocalyptic number.

It is an amenable number.

3421231412421 is a deficient number, since it is larger than the sum of its proper divisors (1408954518843).

3421231412421 is a wasteful number, since it uses less digits than its factorization.

3421231412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946860.

The product of its digits is 9216, while the sum is 30.

Adding to 3421231412421 its reverse (1242141321243), we get a palindrome (4663372733664).

The spelling of 3421231412421 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-one million, four hundred twelve thousand, four hundred twenty-one".