1322913012 has 12 divisors (see below), whose sum is σ = 3086797056. Its totient is φ = 440971000.

The previous prime is 1322913001. The next prime is 1322913029. The reversal of 1322913012 is 2103192231.

It is a tau number, because it is divible by the number of its divisors (12).

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, 55121364 + ... + 55121387.

It is an arithmetic number, because the mean of its divisors is an integer number (257233088).

Almost surely, 2^1322913012 is an apocalyptic number.

1322913012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322913012 is an abundant number, since it is smaller than the sum of its proper divisors (1763884044).

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

1322913012 is a wasteful number, since it uses less digits than its factorization.

1322913012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110242758 (or 110242756 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1322913012 is about 36371.8711644040. The cubic root of 1322913012 is about 1097.7676523371.

The spelling of 1322913012 in words is "one billion, three hundred twenty-two million, nine hundred thirteen thousand, twelve".