1322122012 has 12 divisors (see below), whose sum is σ = 2314516680. Its totient is φ = 660831536.

The previous prime is 1322121979. The next prime is 1322122019. The reversal of 1322122012 is 2102212231.

It is a happy number.

It is a super-2 number, since 2×1322122012² = 3496013229229856288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44062 + ... + 67717.

It is an arithmetic number, because the mean of its divisors is an integer number (192876390).

Almost surely, 2^1322122012 is an apocalyptic number.

It is an amenable number.

1322122012 is a deficient number, since it is larger than the sum of its proper divisors (992394668).

1322122012 is a wasteful number, since it uses less digits than its factorization.

1322122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114740 (or 114738 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1322122012 is about 36360.9957509417. The cubic root of 1322122012 is about 1097.5488152384.

Adding to 1322122012 its reverse (2102212231), we get a palindrome (3424334243).

The spelling of 1322122012 in words is "one billion, three hundred twenty-two million, one hundred twenty-two thousand, twelve".