1322123012 has 12 divisors (see below), whose sum is σ = 2644246080. Its totient is φ = 566624136.

The previous prime is 1322123009. The next prime is 1322123017. The reversal of 1322123012 is 2103212231.

1322123012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1322123017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23609312 + ... + 23609367.

It is an arithmetic number, because the mean of its divisors is an integer number (220353840).

Almost surely, 2^1322123012 is an apocalyptic number.

It is an amenable number.

1322123012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322123012 is a wasteful number, since it uses less digits than its factorization.

1322123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47218690 (or 47218688 counting only the distinct ones).

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

The square root of 1322123012 is about 36361.0095019376. The cubic root of 1322123012 is about 1097.5490919522.

Adding to 1322123012 its reverse (2103212231), we get a palindrome (3425335243).

The spelling of 1322123012 in words is "one billion, three hundred twenty-two million, one hundred twenty-three thousand, twelve".