1222234321012 has 12 divisors (see below), whose sum is σ = 2141154465156. Its totient is φ = 610475902400.

The previous prime is 1222234321003. The next prime is 1222234321037. The reversal of 1222234321012 is 2101234322221.

It can be written as a sum of positive squares in 2 ways, for example, as 913182827236 + 309051493776 = 955606^2 + 555924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160310239 + ... + 160317862.

It is an arithmetic number, because the mean of its divisors is an integer number (178429538763).

Almost surely, 2^{1222234321012} is an apocalyptic number.

It is an amenable number.

1222234321012 is a deficient number, since it is larger than the sum of its proper divisors (918920144144).

1222234321012 is a wasteful number, since it uses less digits than its factorization.

1222234321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320629058 (or 320629056 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1222234321012 its reverse (2101234322221), we get a palindrome (3323468643233).

The spelling of 1222234321012 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-four million, three hundred twenty-one thousand, twelve".