1221301122332 has 12 divisors (see below), whose sum is σ = 2189405670816. Its totient is φ = 595756644960.

The previous prime is 1221301122329. The next prime is 1221301122407. The reversal of 1221301122332 is 2332211031221.

It is a junction number, because it is equal to n+sod(n) for n = 1221301122298 and 1221301122307.

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 3 ways as a sum of consecutive naturals, for example, 3723478868 + ... + 3723479195.

It is an arithmetic number, because the mean of its divisors is an integer number (182450472568).

Almost surely, 2^{1221301122332} is an apocalyptic number.

It is an amenable number.

1221301122332 is a deficient number, since it is larger than the sum of its proper divisors (968104548484).

1221301122332 is a wasteful number, since it uses less digits than its factorization.

1221301122332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446958108 (or 7446958106 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1221301122332 its reverse (2332211031221), we get a palindrome (3553512153553).

The spelling of 1221301122332 in words is "one trillion, two hundred twenty-one billion, three hundred one million, one hundred twenty-two thousand, three hundred thirty-two".