1221033022232 has 64 divisors (see below), whose sum is σ = 2427620025600. Its totient is φ = 573772492800.

The previous prime is 1221033022229. The next prime is 1221033022273. The reversal of 1221033022232 is 2322203301221.

It is a junction number, because it is equal to n+sod(n) for n = 1221033022198 and 1221033022207.

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 15 ways as a sum of consecutive naturals, for example, 528813494 + ... + 528815802.

It is an arithmetic number, because the mean of its divisors is an integer number (37931562900).

Almost surely, 2^{1221033022232} is an apocalyptic number.

It is an amenable number.

1221033022232 is a deficient number, since it is larger than the sum of its proper divisors (1206587003368).

1221033022232 is a wasteful number, since it uses less digits than its factorization.

1221033022232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276 (or 6272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1221033022232 its reverse (2322203301221), we get a palindrome (3543236323453).

The spelling of 1221033022232 in words is "one trillion, two hundred twenty-one billion, thirty-three million, twenty-two thousand, two hundred thirty-two".