12001111100002 has 4 divisors (see below), whose sum is σ = 18001666650006. Its totient is φ = 6000555550000.

The previous prime is 12001111099891. The next prime is 12001111100029. The reversal of 12001111100002 is 20000111110021.

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., 8576164963081 + 3424946136921 = 2928509^2 + 1850661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000277774999 + ... + 3000277775002.

Almost surely, 2^{12001111100002} is an apocalyptic number.

12001111100002 is a deficient number, since it is larger than the sum of its proper divisors (6000555550004).

12001111100002 is an equidigital number, since it uses as much as digits as its factorization.

12001111100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000555550003.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12001111100002 its reverse (20000111110021), we get a palindrome (32001222210023).

The spelling of 12001111100002 in words is "twelve trillion, one billion, one hundred eleven million, one hundred thousand, two".