1213441502305 has 16 divisors (see below), whose sum is σ = 1487736668160. Its totient is φ = 949784001088.

The previous prime is 1213441502293. The next prime is 1213441502341. The reversal of 1213441502305 is 5032051443121.

It is a cyclic number.

It is not a de Polignac number, because 1213441502305 - 2⁹ = 1213441501793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6282337 + ... + 6472606.

It is an arithmetic number, because the mean of its divisors is an integer number (92983541760).

Almost surely, 2^{1213441502305} is an apocalyptic number.

It is an amenable number.

1213441502305 is a deficient number, since it is larger than the sum of its proper divisors (274295165855).

1213441502305 is a wasteful number, since it uses less digits than its factorization.

1213441502305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755360.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1213441502305 its reverse (5032051443121), we get a palindrome (6245492945426).

The spelling of 1213441502305 in words is "one trillion, two hundred thirteen billion, four hundred forty-one million, five hundred two thousand, three hundred five".