1321041412 has 12 divisors (see below), whose sum is σ = 2346327760. Its totient is φ = 650662056.

The previous prime is 1321041383. The next prime is 1321041433. The reversal of 1321041412 is 2141401231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321041412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464362 + ... + 2464897.

Almost surely, 2^1321041412 is an apocalyptic number.

It is an amenable number.

1321041412 is a deficient number, since it is larger than the sum of its proper divisors (1025286348).

1321041412 is a wasteful number, since it uses less digits than its factorization.

1321041412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929330 (or 4929328 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1321041412 is about 36346.1333844468. The cubic root of 1321041412 is about 1097.2497166419.

Adding to 1321041412 its reverse (2141401231), we get a palindrome (3462442643).

The spelling of 1321041412 in words is "one billion, three hundred twenty-one million, forty-one thousand, four hundred twelve".