1225244130013 has 4 divisors (see below), whose sum is σ = 1225250272480. Its totient is φ = 1225237987548.

The previous prime is 1225244129987. The next prime is 1225244130017. The reversal of 1225244130013 is 3100314425221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1225244130013 - 2¹³ = 1225244121821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225244130017) 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, 2761623 + ... + 3174436.

It is an arithmetic number, because the mean of its divisors is an integer number (306312568120).

Almost surely, 2^{1225244130013} is an apocalyptic number.

It is an amenable number.

1225244130013 is a deficient number, since it is larger than the sum of its proper divisors (6142467).

1225244130013 is an equidigital number, since it uses as much as digits as its factorization.

1225244130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142466.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1225244130013 its reverse (3100314425221), we get a palindrome (4325558555234).

The spelling of 1225244130013 in words is "one trillion, two hundred twenty-five billion, two hundred forty-four million, one hundred thirty thousand, thirteen".