12001001111902 has 32 divisors (see below), whose sum is σ = 20096677560960. Its totient is φ = 5327615553120.

The previous prime is 12001001111861. The next prime is 12001001111903. The reversal of 12001001111902 is 20911110010021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001001111902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001001111903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9070624 + ... + 10309132.

It is an arithmetic number, because the mean of its divisors is an integer number (628021173780).

Almost surely, 2^{12001001111902} is an apocalyptic number.

12001001111902 is a deficient number, since it is larger than the sum of its proper divisors (8095676449058).

12001001111902 is a wasteful number, since it uses less digits than its factorization.

12001001111902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248808.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 12001001111902 its reverse (20911110010021), we get a palindrome (32912111121923).

The spelling of 12001001111902 in words is "twelve trillion, one billion, one million, one hundred eleven thousand, nine hundred two".