1322748012 has 18 divisors (see below), whose sum is σ = 3086706028. Its totient is φ = 440874008.

The previous prime is 1322748001. The next prime is 1322748013. The reversal of 1322748012 is 2108472231.

1322748012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1322748013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120739 + ... + 131237.

Almost surely, 2^1322748012 is an apocalyptic number.

1322748012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322748012 is an abundant number, since it is smaller than the sum of its proper divisors (1763958016).

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

1322748012 is an frugal number, since it uses more digits than its factorization.

1322748012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005 (or 10504 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1322748012 is about 36369.6028573313. The cubic root of 1322748012 is about 1097.7220108393.

The spelling of 1322748012 in words is "one billion, three hundred twenty-two million, seven hundred forty-eight thousand, twelve".