412142313121421 has 4 divisors (see below), whose sum is σ = 412144590973500. Its totient is φ = 412140035269344.

The previous prime is 412142313121391. The next prime is 412142313121433. The reversal of 412142313121421 is 124121313241214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 380056194700900 + 32086118420521 = 19495030^2 + 5664461^2 .

It is a cyclic number.

It is not a de Polignac number, because 412142313121421 - 2¹⁰ = 412142313120397 is a prime.

It is a super-2 number, since 2×412142313121421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412142313121471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138654616 + ... + 1139016513.

It is an arithmetic number, because the mean of its divisors is an integer number (103036147743375).

Almost surely, 2^{412142313121421} is an apocalyptic number.

It is an amenable number.

412142313121421 is a deficient number, since it is larger than the sum of its proper divisors (2277852079).

412142313121421 is a wasteful number, since it uses less digits than its factorization.

412142313121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277852078.

The product of its digits is 9216, while the sum is 32.

Adding to 412142313121421 its reverse (124121313241214), we get a palindrome (536263626362635).

The spelling of 412142313121421 in words is "four hundred twelve trillion, one hundred forty-two billion, three hundred thirteen million, one hundred twenty-one thousand, four hundred twenty-one".