1321223301222 has 64 divisors (see below), whose sum is σ = 2902724812800. Its totient is φ = 397586489600.

The previous prime is 1321223301179. The next prime is 1321223301239. The reversal of 1321223301222 is 2221033221231.

It is a junction number, because it is equal to n+sod(n) for n = 1321223301192 and 1321223301201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47120347 + ... + 47148377.

It is an arithmetic number, because the mean of its divisors is an integer number (45355075200).

Almost surely, 2^{1321223301222} is an apocalyptic number.

1321223301222 is an abundant number, since it is smaller than the sum of its proper divisors (1581501511578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321223301222 is a wasteful number, since it uses less digits than its factorization.

1321223301222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32989.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1321223301222 its reverse (2221033221231), we get a palindrome (3542256522453).

The spelling of 1321223301222 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-three million, three hundred one thousand, two hundred twenty-two".