1222122355013 has 8 divisors (see below), whose sum is σ = 1397690048832. Its totient is φ = 1046799357696.

The previous prime is 1222122355007. The next prime is 1222122355061. The reversal of 1222122355013 is 3105532212221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222122355013 - 2¹⁴ = 1222122338629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222122355213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61163420 + ... + 61183397.

It is an arithmetic number, because the mean of its divisors is an integer number (174711256104).

Almost surely, 2^{1222122355013} is an apocalyptic number.

It is an amenable number.

1222122355013 is a deficient number, since it is larger than the sum of its proper divisors (175567693819).

1222122355013 is a wasteful number, since it uses less digits than its factorization.

1222122355013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122348251.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1222122355013 its reverse (3105532212221), we get a palindrome (4327654567234).

The spelling of 1222122355013 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, three hundred fifty-five thousand, thirteen".