1321130012222 has 32 divisors (see below), whose sum is σ = 2251748505600. Its totient is φ = 577948760928.

The previous prime is 1321130012171. The next prime is 1321130012287. The reversal of 1321130012222 is 2222100311231.

It is a junction number, because it is equal to n+sod(n) for n = 1321130012194 and 1321130012203.

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 in 15 ways as a sum of consecutive naturals, for example, 26036558 + ... + 26087249.

It is an arithmetic number, because the mean of its divisors is an integer number (70367140800).

Almost surely, 2^{1321130012222} is an apocalyptic number.

1321130012222 is a deficient number, since it is larger than the sum of its proper divisors (930618493378).

1321130012222 is a wasteful number, since it uses less digits than its factorization.

1321130012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52123880.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1321130012222 its reverse (2222100311231), we get a palindrome (3543230323453).

The spelling of 1321130012222 in words is "one trillion, three hundred twenty-one billion, one hundred thirty million, twelve thousand, two hundred twenty-two".