1231421414541 has 32 divisors (see below), whose sum is σ = 1697237712000. Its totient is φ = 793828958208.

The previous prime is 1231421414539. The next prime is 1231421414579. The reversal of 1231421414541 is 1454141241321.

It is not a de Polignac number, because 1231421414541 - 2¹ = 1231421414539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231421414501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2837815 + ... + 3242843.

It is an arithmetic number, because the mean of its divisors is an integer number (53038678500).

Almost surely, 2^{1231421414541} is an apocalyptic number.

It is an amenable number.

1231421414541 is a deficient number, since it is larger than the sum of its proper divisors (465816297459).

1231421414541 is a wasteful number, since it uses less digits than its factorization.

1231421414541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405373.

The product of its digits is 15360, while the sum is 33.

Adding to 1231421414541 its reverse (1454141241321), we get a palindrome (2685562655862).

The spelling of 1231421414541 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-one million, four hundred fourteen thousand, five hundred forty-one".