1212044312 has 32 divisors (see below), whose sum is σ = 2297548800. Its totient is φ = 599395104.

The previous prime is 1212044221. The next prime is 1212044321. The reversal of 1212044312 is 2134402121.

It is a congruent 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, 363083 + ... + 366405.

It is an arithmetic number, because the mean of its divisors is an integer number (71798400).

Almost surely, 2^1212044312 is an apocalyptic number.

It is an amenable number.

1212044312 is a deficient number, since it is larger than the sum of its proper divisors (1085504488).

1212044312 is a wasteful number, since it uses less digits than its factorization.

1212044312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1212044312 is about 34814.4267797130. The cubic root of 1212044312 is about 1066.2020157651.

Adding to 1212044312 its reverse (2134402121), we get a palindrome (3346446433).

The spelling of 1212044312 in words is "one billion, two hundred twelve million, forty-four thousand, three hundred twelve".