1320022311212 has 24 divisors (see below), whose sum is σ = 2578648239552. Its totient is φ = 586056416400.

The previous prime is 1320022311137. The next prime is 1320022311229. The reversal of 1320022311212 is 2121132200231.

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 7 ways as a sum of consecutive naturals, for example, 348841214 + ... + 348844997.

It is an arithmetic number, because the mean of its divisors is an integer number (107443676648).

Almost surely, 2^{1320022311212} is an apocalyptic number.

It is an amenable number.

1320022311212 is a deficient number, since it is larger than the sum of its proper divisors (1258625928340).

1320022311212 is a wasteful number, since it uses less digits than its factorization.

1320022311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697686269 (or 697686267 counting only the distinct ones).

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

Adding to 1320022311212 its reverse (2121132200231), we get a palindrome (3441154511443).

The spelling of 1320022311212 in words is "one trillion, three hundred twenty billion, twenty-two million, three hundred eleven thousand, two hundred twelve".