1225818361362 has 48 divisors (see below), whose sum is σ = 2928987593280. Its totient is φ = 335006254176.

The previous prime is 1225818361309. The next prime is 1225818361367. The reversal of 1225818361362 is 2631638185221.

It is not an unprimeable number, because it can be changed into a prime (1225818361367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27563937 + ... + 27608372.

It is an arithmetic number, because the mean of its divisors is an integer number (61020574860).

Almost surely, 2^{1225818361362} is an apocalyptic number.

1225818361362 is an abundant number, since it is smaller than the sum of its proper divisors (1703169231918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225818361362 is a wasteful number, since it uses less digits than its factorization.

1225818361362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55172367 (or 55172344 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 1225818361362 in words is "one trillion, two hundred twenty-five billion, eight hundred eighteen million, three hundred sixty-one thousand, three hundred sixty-two".