1213320110244 has 96 divisors (see below), whose sum is σ = 3215374786176. Its totient is φ = 352835066880.

The previous prime is 1213320110201. The next prime is 1213320110263. The reversal of 1213320110244 is 4420110233121.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1345027 + ... + 2058090.

It is an arithmetic number, because the mean of its divisors is an integer number (33493487356).

Almost surely, 2^{1213320110244} is an apocalyptic number.

It is an amenable number.

1213320110244 is an abundant number, since it is smaller than the sum of its proper divisors (2002054675932).

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

1213320110244 is a wasteful number, since it uses less digits than its factorization.

1213320110244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403245 (or 3403243 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1213320110244 its reverse (4420110233121), we get a palindrome (5633430343365).

The spelling of 1213320110244 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, one hundred ten thousand, two hundred forty-four".