1331242224412 has 24 divisors (see below), whose sum is σ = 2351601383040. Its totient is φ = 659356934640.

The previous prime is 1331242224401. The next prime is 1331242224413. The reversal of 1331242224412 is 2144222421331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331242224413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6975987 + ... + 7164277.

It is an arithmetic number, because the mean of its divisors is an integer number (97983390960).

Almost surely, 2^{1331242224412} is an apocalyptic number.

It is an amenable number.

1331242224412 is a deficient number, since it is larger than the sum of its proper divisors (1020359158628).

1331242224412 is a wasteful number, since it uses less digits than its factorization.

1331242224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204921 (or 204919 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 1331242224412 its reverse (2144222421331), we get a palindrome (3475464645743).

The spelling of 1331242224412 in words is "one trillion, three hundred thirty-one billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred twelve".