1213323443130 has 32 divisors (see below), whose sum is σ = 2990678327424. Its totient is φ = 314808244416.

The previous prime is 1213323443041. The next prime is 1213323443159. The reversal of 1213323443130 is 313443233121.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 546540982 + ... + 546543201.

It is an arithmetic number, because the mean of its divisors is an integer number (93458697732).

Almost surely, 2^{1213323443130} is an apocalyptic number.

1213323443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213323443130 is an abundant number, since it is smaller than the sum of its proper divisors (1777354884294).

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

1213323443130 is a wasteful number, since it uses less digits than its factorization.

1213323443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093084230.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1213323443130 its reverse (313443233121), we get a palindrome (1526766676251).

The spelling of 1213323443130 in words is "one trillion, two hundred thirteen billion, three hundred twenty-three million, four hundred forty-three thousand, one hundred thirty".