1213022314444 has 24 divisors (see below), whose sum is σ = 2231993288448. Its totient is φ = 575712543120.

The previous prime is 1213022314417. The next prime is 1213022314451. The reversal of 1213022314444 is 4444132203121.

It is a happy number.

It is a super-2 number, since 2×1213022314444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50312472 + ... + 50336575.

It is an arithmetic number, because the mean of its divisors is an integer number (92999720352).

Almost surely, 2^{1213022314444} is an apocalyptic number.

It is an amenable number.

1213022314444 is a deficient number, since it is larger than the sum of its proper divisors (1018970974004).

1213022314444 is a wasteful number, since it uses less digits than its factorization.

1213022314444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100649205 (or 100649203 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1213022314444 its reverse (4444132203121), we get a palindrome (5657154517565).

The spelling of 1213022314444 in words is "one trillion, two hundred thirteen billion, twenty-two million, three hundred fourteen thousand, four hundred forty-four".