13442412021 has 32 divisors (see below), whose sum is σ = 19088524800. Its totient is φ = 8398333440.

The previous prime is 13442412017. The next prime is 13442412041. The reversal of 13442412021 is 12021424431.

It is not a de Polignac number, because 13442412021 - 2² = 13442412017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13442411982 and 13442412000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442412001) 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, 1382545 + ... + 1392233.

It is an arithmetic number, because the mean of its divisors is an integer number (596516400).

Almost surely, 2^13442412021 is an apocalyptic number.

It is an amenable number.

13442412021 is a deficient number, since it is larger than the sum of its proper divisors (5646112779).

13442412021 is a wasteful number, since it uses less digits than its factorization.

13442412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13442412021 its reverse (12021424431), we get a palindrome (25463836452).

The spelling of 13442412021 in words is "thirteen billion, four hundred forty-two million, four hundred twelve thousand, twenty-one".