1042224313213 has 4 divisors (see below), whose sum is σ = 1042386634588. Its totient is φ = 1042061991840.

The previous prime is 1042224313171. The next prime is 1042224313321. The reversal of 1042224313213 is 3123134222401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 452334263364 + 589890049849 = 672558^2 + 768043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042224313213 - 2¹³ = 1042224305021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042224323213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81151056 + ... + 81163897.

It is an arithmetic number, because the mean of its divisors is an integer number (260596658647).

Almost surely, 2^{1042224313213} is an apocalyptic number.

It is an amenable number.

1042224313213 is a deficient number, since it is larger than the sum of its proper divisors (162321375).

1042224313213 is an equidigital number, since it uses as much as digits as its factorization.

1042224313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162321374.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1042224313213 its reverse (3123134222401), we get a palindrome (4165358535614).

The spelling of 1042224313213 in words is "one trillion, forty-two billion, two hundred twenty-four million, three hundred thirteen thousand, two hundred thirteen".