1213142324 has 48 divisors (see below), whose sum is σ = 2275056000. Its totient is φ = 564350976.

The previous prime is 1213142311. The next prime is 1213142363. The reversal of 1213142324 is 4232413121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213142324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2490809 + ... + 2491295.

It is an arithmetic number, because the mean of its divisors is an integer number (47397000).

Almost surely, 2^1213142324 is an apocalyptic number.

It is an amenable number.

1213142324 is a deficient number, since it is larger than the sum of its proper divisors (1061913676).

1213142324 is a wasteful number, since it uses less digits than its factorization.

1213142324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1213142324 is about 34830.1927069030. The cubic root of 1213142324 is about 1066.5238822332.

Adding to 1213142324 its reverse (4232413121), we get a palindrome (5445555445).

The spelling of 1213142324 in words is "one billion, two hundred thirteen million, one hundred forty-two thousand, three hundred twenty-four".