1331122233212 has 24 divisors (see below), whose sum is σ = 2526649524000. Its totient is φ = 611132157440.

The previous prime is 1331122233209. The next prime is 1331122233257. The reversal of 1331122233212 is 2123322211331.

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, 238720712 + ... + 238726287.

It is an arithmetic number, because the mean of its divisors is an integer number (105277063500).

Almost surely, 2^{1331122233212} is an apocalyptic number.

It is an amenable number.

1331122233212 is a deficient number, since it is larger than the sum of its proper divisors (1195527290788).

1331122233212 is a wasteful number, since it uses less digits than its factorization.

1331122233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477447061 (or 477447059 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 1331122233212 its reverse (2123322211331), we get a palindrome (3454444444543).

The spelling of 1331122233212 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred twelve".