1243422213104 has 40 divisors (see below), whose sum is σ = 2426109198240. Its totient is φ = 617339923200.

The previous prime is 1243422213097. The next prime is 1243422213149. The reversal of 1243422213104 is 4013122243421.

It is a congruent number.

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, 1589477 + ... + 2239035.

It is an arithmetic number, because the mean of its divisors is an integer number (60652729956).

Almost surely, 2^{1243422213104} is an apocalyptic number.

It is an amenable number.

1243422213104 is a deficient number, since it is larger than the sum of its proper divisors (1182686985136).

1243422213104 is a wasteful number, since it uses less digits than its factorization.

1243422213104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650409 (or 650403 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1243422213104 its reverse (4013122243421), we get a palindrome (5256544456525).

The spelling of 1243422213104 in words is "one trillion, two hundred forty-three billion, four hundred twenty-two million, two hundred thirteen thousand, one hundred four".