1311032222012 has 24 divisors (see below), whose sum is σ = 2343206892096. Its totient is φ = 641545556288.

The previous prime is 1311032222009. The next prime is 1311032222033. The reversal of 1311032222012 is 2102222301131.

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, 5763998 + ... + 5987130.

It is an arithmetic number, because the mean of its divisors is an integer number (97633620504).

Almost surely, 2^{1311032222012} is an apocalyptic number.

It is an amenable number.

1311032222012 is a deficient number, since it is larger than the sum of its proper divisors (1032174670084).

1311032222012 is a wasteful number, since it uses less digits than its factorization.

1311032222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254437 (or 254435 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1311032222012 its reverse (2102222301131), we get a palindrome (3413254523143).

The spelling of 1311032222012 in words is "one trillion, three hundred eleven billion, thirty-two million, two hundred twenty-two thousand, twelve".