1241220311413 has 8 divisors (see below), whose sum is σ = 1248446618136. Its totient is φ = 1233994598400.

The previous prime is 1241220311399. The next prime is 1241220311467. The reversal of 1241220311413 is 3141130221421.

It can be written as a sum of positive squares in 4 ways, for example, as 572712941284 + 668507370129 = 756778^2 + 817623^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241220311413 is a prime.

It is a super-2 number, since 2×1241220311413² (a number of 25 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 (1241220311213) 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, 4459993 + ... + 4730113.

It is an arithmetic number, because the mean of its divisors is an integer number (156055827267).

Almost surely, 2^{1241220311413} is an apocalyptic number.

It is an amenable number.

1241220311413 is a deficient number, since it is larger than the sum of its proper divisors (7226306723).

1241220311413 is a wasteful number, since it uses less digits than its factorization.

1241220311413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296855.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1241220311413 its reverse (3141130221421), we get a palindrome (4382350532834).

The spelling of 1241220311413 in words is "one trillion, two hundred forty-one billion, two hundred twenty million, three hundred eleven thousand, four hundred thirteen".