1213321110332 has 6 divisors (see below), whose sum is σ = 2123311943088. Its totient is φ = 606660555164.

The previous prime is 1213321110283. The next prime is 1213321110347. The reversal of 1213321110332 is 2330111233121.

It is a junction number, because it is equal to n+sod(n) for n = 1213321110298 and 1213321110307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151665138788 + ... + 151665138795.

It is an arithmetic number, because the mean of its divisors is an integer number (353885323848).

Almost surely, 2^{1213321110332} is an apocalyptic number.

It is an amenable number.

1213321110332 is a deficient number, since it is larger than the sum of its proper divisors (909990832756).

1213321110332 is a wasteful number, since it uses less digits than its factorization.

1213321110332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303330277587 (or 303330277585 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1213321110332 its reverse (2330111233121), we get a palindrome (3543432343453).

The spelling of 1213321110332 in words is "one trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred ten thousand, three hundred thirty-two".