1222123013 has 8 divisors (see below), whose sum is σ = 1335755520. Its totient is φ = 1113128640.

The previous prime is 1222122989. The next prime is 1222123027. The reversal of 1222123013 is 3103212221.

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 1222123013 - 2⁶ = 1222122949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222122982 and 1222123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222123043) 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, 1158983 + ... + 1160036.

It is an arithmetic number, because the mean of its divisors is an integer number (166969440).

Almost surely, 2^1222123013 is an apocalyptic number.

It is an amenable number.

1222123013 is a deficient number, since it is larger than the sum of its proper divisors (113632507).

1222123013 is a wasteful number, since it uses less digits than its factorization.

1222123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319067.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222123013 is about 34958.8760259823. The cubic root of 1222123013 is about 1069.1491803989.

Adding to 1222123013 its reverse (3103212221), we get a palindrome (4325335234).

The spelling of 1222123013 in words is "one billion, two hundred twenty-two million, one hundred twenty-three thousand, thirteen".