13142012421 has 8 divisors (see below), whose sum is σ = 17526820320. Its totient is φ = 8759273072.

The previous prime is 13142012419. The next prime is 13142012437. The reversal of 13142012421 is 12421024131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13142012421 - 2¹ = 13142012419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142012491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502251 + ... + 527768.

It is an arithmetic number, because the mean of its divisors is an integer number (2190852540).

Almost surely, 2^13142012421 is an apocalyptic number.

It is an amenable number.

13142012421 is a deficient number, since it is larger than the sum of its proper divisors (4384807899).

13142012421 is a wasteful number, since it uses less digits than its factorization.

13142012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034275.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13142012421 its reverse (12421024131), we get a palindrome (25563036552).

The spelling of 13142012421 in words is "thirteen billion, one hundred forty-two million, twelve thousand, four hundred twenty-one".