2122440423013 has 4 divisors (see below), whose sum is σ = 2135959151980. Its totient is φ = 2108921694048.

The previous prime is 2122440422989. The next prime is 2122440423071. The reversal of 2122440423013 is 3103240442212.

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 321645511044 + 1800794911969 = 567138^2 + 1341937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122440423013 - 2²⁹ = 2121903552101 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 (2122440423073) 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, 6759364248 + ... + 6759364561.

It is an arithmetic number, because the mean of its divisors is an integer number (533989787995).

Almost surely, 2^{2122440423013} is an apocalyptic number.

It is an amenable number.

2122440423013 is a deficient number, since it is larger than the sum of its proper divisors (13518728967).

2122440423013 is a wasteful number, since it uses less digits than its factorization.

2122440423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13518728966.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2122440423013 its reverse (3103240442212), we get a palindrome (5225680865225).

The spelling of 2122440423013 in words is "two trillion, one hundred twenty-two billion, four hundred forty million, four hundred twenty-three thousand, thirteen".