12001122201320 has 64 divisors (see below), whose sum is σ = 31516624903680. Its totient is φ = 4027124284416.

The previous prime is 12001122201307. The next prime is 12001122201337. The reversal of 12001122201320 is 2310222110021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455956529 + ... + 455982848.

It is an arithmetic number, because the mean of its divisors is an integer number (492447264120).

Almost surely, 2^{12001122201320} is an apocalyptic number.

12001122201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001122201320 is an abundant number, since it is smaller than the sum of its proper divisors (19515502702360).

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

12001122201320 is a wasteful number, since it uses less digits than its factorization.

12001122201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911939442 (or 911939438 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12001122201320 its reverse (2310222110021), we get a palindrome (14311344311341).

The spelling of 12001122201320 in words is "twelve trillion, one billion, one hundred twenty-two million, two hundred one thousand, three hundred twenty".