1214831912 has 64 divisors (see below), whose sum is σ = 2667168000. Its totient is φ = 518521920.

The previous prime is 1214831903. The next prime is 1214831929. The reversal of 1214831912 is 2191384121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803237 + ... + 804747.

It is an arithmetic number, because the mean of its divisors is an integer number (41674500).

Almost surely, 2^1214831912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214831912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333584000).

1214831912 is an abundant number, since it is smaller than the sum of its proper divisors (1452336088).

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

1214831912 is a wasteful number, since it uses less digits than its factorization.

1214831912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1813 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 1214831912 is about 34854.4389138600. The cubic root of 1214831912 is about 1067.0187815812.

The spelling of 1214831912 in words is "one billion, two hundred fourteen million, eight hundred thirty-one thousand, nine hundred twelve".