2001120312322 has 4 divisors (see below), whose sum is σ = 3001680468486. Its totient is φ = 1000560156160.

The previous prime is 2001120312277. The next prime is 2001120312337. The reversal of 2001120312322 is 2232130211002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1239394584961 + 761725727361 = 1113281^2 + 872769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001120312322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500280078079 + ... + 500280078082.

Almost surely, 2^{2001120312322} is an apocalyptic number.

2001120312322 is a deficient number, since it is larger than the sum of its proper divisors (1000560156164).

2001120312322 is a wasteful number, since it uses less digits than its factorization.

2001120312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000560156163.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2001120312322 its reverse (2232130211002), we get a palindrome (4233250523324).

The spelling of 2001120312322 in words is "two trillion, one billion, one hundred twenty million, three hundred twelve thousand, three hundred twenty-two".