1912229612 has 24 divisors (see below), whose sum is σ = 3421955376. Its totient is φ = 934659648.

The previous prime is 1912229609. The next prime is 1912229623. The reversal of 1912229612 is 2169222191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42443 + ... + 75005.

It is an arithmetic number, because the mean of its divisors is an integer number (142581474).

Almost surely, 2^1912229612 is an apocalyptic number.

It is an amenable number.

1912229612 is a deficient number, since it is larger than the sum of its proper divisors (1509725764).

1912229612 is a wasteful number, since it uses less digits than its factorization.

1912229612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32897 (or 32895 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 1912229612 is about 43729.0476914373. The cubic root of 1912229612 is about 1241.2140407824.

The spelling of 1912229612 in words is "one billion, nine hundred twelve million, two hundred twenty-nine thousand, six hundred twelve".