1214432312 has 8 divisors (see below), whose sum is σ = 2277060600. Its totient is φ = 607216152.

The previous prime is 1214432267. The next prime is 1214432321. The reversal of 1214432312 is 2132344121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75902012 + ... + 75902027.

It is an arithmetic number, because the mean of its divisors is an integer number (284632575).

Almost surely, 2^1214432312 is an apocalyptic number.

It is an amenable number.

1214432312 is a deficient number, since it is larger than the sum of its proper divisors (1062628288).

1214432312 is a wasteful number, since it uses less digits than its factorization.

1214432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151804045 (or 151804041 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1214432312 is about 34848.7060304970. The cubic root of 1214432312 is about 1066.9017756921.

Adding to 1214432312 its reverse (2132344121), we get a palindrome (3346776433).

The spelling of 1214432312 in words is "one billion, two hundred fourteen million, four hundred thirty-two thousand, three hundred twelve".