1331422012 has 12 divisors (see below), whose sum is σ = 2330877640. Its totient is φ = 665456976.

The previous prime is 1331422003. The next prime is 1331422067. The reversal of 1331422012 is 2102241331.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 51462 + ... + 72877.

Almost surely, 2^1331422012 is an apocalyptic number.

It is an amenable number.

1331422012 is a deficient number, since it is larger than the sum of its proper divisors (999455628).

1331422012 is a wasteful number, since it uses less digits than its factorization.

1331422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127020 (or 127018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1331422012 is about 36488.6559357837. The cubic root of 1331422012 is about 1100.1162444645.

Adding to 1331422012 its reverse (2102241331), we get a palindrome (3433663343).

The spelling of 1331422012 in words is "one billion, three hundred thirty-one million, four hundred twenty-two thousand, twelve".