1213024330444 has 24 divisors (see below), whose sum is σ = 2147645430000. Its totient is φ = 599441762304.

The previous prime is 1213024330387. The next prime is 1213024330513. The reversal of 1213024330444 is 4440334203121.

It is a super-2 number, since 2×1213024330444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641694 + ... + 3960805.

It is an arithmetic number, because the mean of its divisors is an integer number (89485226250).

Almost surely, 2^{1213024330444} is an apocalyptic number.

It is an amenable number.

1213024330444 is a deficient number, since it is larger than the sum of its proper divisors (934621099556).

1213024330444 is a wasteful number, since it uses less digits than its factorization.

1213024330444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602969 (or 7602967 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1213024330444 its reverse (4440334203121), we get a palindrome (5653358533565).

The spelling of 1213024330444 in words is "one trillion, two hundred thirteen billion, twenty-four million, three hundred thirty thousand, four hundred forty-four".