2001231202112 has 14 divisors (see below), whose sum is σ = 3971193166818. Its totient is φ = 1000615601024.

The previous prime is 2001231202097. The next prime is 2001231202163. The reversal of 2001231202112 is 2112021321002.

It can be written as a sum of positive squares in only one way, i.e., 1980617134336 + 20614067776 = 1407344^2 + 143576^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15634618703 + ... + 15634618830.

Almost surely, 2^{2001231202112} is an apocalyptic number.

It is an amenable number.

2001231202112 is a deficient number, since it is larger than the sum of its proper divisors (1969961964706).

2001231202112 is an equidigital number, since it uses as much as digits as its factorization.

2001231202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31269237545 (or 31269237535 counting only the distinct ones).

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

Adding to 2001231202112 its reverse (2112021321002), we get a palindrome (4113252523114).

The spelling of 2001231202112 in words is "two trillion, one billion, two hundred thirty-one million, two hundred two thousand, one hundred twelve".