12001102 has 4 divisors (see below), whose sum is σ = 18001656. Its totient is φ = 6000550.

The previous prime is 12001097. The next prime is 12001109. The reversal of 12001102 is 20110021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000274 + ... + 3000277.

It is an arithmetic number, because the mean of its divisors is an integer number (4500414).

Almost surely, 2^12001102 is an apocalyptic number.

12001102 is a deficient number, since it is larger than the sum of its proper divisors (6000554).

12001102 is an equidigital number, since it uses as much as digits as its factorization.

12001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000553.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 12001102 is about 3464.2606714853. The cubic root of 12001102 is about 228.9498564911.

Adding to 12001102 its reverse (20110021), we get a palindrome (32111123).

The spelling of 12001102 in words is "twelve million, one thousand, one hundred two".