1322012011 has 4 divisors (see below), whose sum is σ = 1322105112. Its totient is φ = 1321918912.

The previous prime is 1322011993. The next prime is 1322012017. The reversal of 1322012011 is 1102102231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1102102231 = 17 ⋅64829543.

It is a cyclic number.

It is not a de Polignac number, because 1322012011 - 2⁷ = 1322011883 is a prime.

It is a super-4 number, since 4×1322012011⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322011982 and 1322012000.

It is not an unprimeable number, because it can be changed into a prime (1322012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20326 + ... + 55291.

It is an arithmetic number, because the mean of its divisors is an integer number (330526278).

Almost surely, 2^1322012011 is an apocalyptic number.

1322012011 is a deficient number, since it is larger than the sum of its proper divisors (93101).

1322012011 is an equidigital number, since it uses as much as digits as its factorization.

1322012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93100.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1322012011 is about 36359.4830958857. The cubic root of 1322012011 is about 1097.5183755829.

Adding to 1322012011 its reverse (1102102231), we get a palindrome (2424114242).

The spelling of 1322012011 in words is "one billion, three hundred twenty-two million, twelve thousand, eleven".