12215643341 has 8 divisors (see below), whose sum is σ = 13756032768. Its totient is φ = 10746900000.

The previous prime is 12215643331. The next prime is 12215643353. The reversal of 12215643341 is 14334651221.

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 12215643341 - 2²² = 12211449037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12215643298 and 12215643307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215643331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17911160 + ... + 17911841.

It is an arithmetic number, because the mean of its divisors is an integer number (1719504096).

Almost surely, 2^12215643341 is an apocalyptic number.

12215643341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12215643341 is a deficient number, since it is larger than the sum of its proper divisors (1540389427).

12215643341 is a wasteful number, since it uses less digits than its factorization.

12215643341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35823043.

The product of its digits is 17280, while the sum is 32.

It can be divided in two parts, 12215 and 643341, that added together give a palindrome (655556).

The spelling of 12215643341 in words is "twelve billion, two hundred fifteen million, six hundred forty-three thousand, three hundred forty-one".