1320851912 has 32 divisors (see below), whose sum is σ = 2588673600. Its totient is φ = 630636864.

The previous prime is 1320851897. The next prime is 1320851923. The reversal of 1320851912 is 2191580231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108098 + ... + 119694.

It is an arithmetic number, because the mean of its divisors is an integer number (80896050).

Almost surely, 2^1320851912 is an apocalyptic number.

It is an amenable number.

1320851912 is a deficient number, since it is larger than the sum of its proper divisors (1267821688).

1320851912 is a wasteful number, since it uses less digits than its factorization.

1320851912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1320851912 is about 36343.5264111781. The cubic root of 1320851912 is about 1097.1972482478.

The spelling of 1320851912 in words is "one billion, three hundred twenty million, eight hundred fifty-one thousand, nine hundred twelve".