1322031000012 has 48 divisors (see below), whose sum is σ = 3251918866560. Its totient is φ = 416863093248.

The previous prime is 1322031000001. The next prime is 1322031000029. The reversal of 1322031000012 is 2100001302231.

It is a junction number, because it is equal to n+sod(n) for n = 1322030999955 and 1322031000000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4154418 + ... + 4461305.

It is an arithmetic number, because the mean of its divisors is an integer number (67748309720).

Almost surely, 2^{1322031000012} is an apocalyptic number.

1322031000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322031000012 is an abundant number, since it is smaller than the sum of its proper divisors (1929887866548).

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

1322031000012 is a wasteful number, since it uses less digits than its factorization.

1322031000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616422 (or 8616420 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1322031000012 its reverse (2100001302231), we get a palindrome (3422032302243).

The spelling of 1322031000012 in words is "one trillion, three hundred twenty-two billion, thirty-one million, twelve", and thus it is an aban number.