12002012102 has 4 divisors (see below), whose sum is σ = 18003018156. Its totient is φ = 6001006050.

The previous prime is 12002012083. The next prime is 12002012107. The reversal of 12002012102 is 20121020021.

It is a happy number.

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 (12002012107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000503024 + ... + 3000503027.

It is an arithmetic number, because the mean of its divisors is an integer number (4500754539).

Almost surely, 2^12002012102 is an apocalyptic number.

12002012102 is a deficient number, since it is larger than the sum of its proper divisors (6001006054).

12002012102 is an equidigital number, since it uses as much as digits as its factorization.

12002012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001006053.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12002012102 its reverse (20121020021), we get a palindrome (32123032123).

The spelling of 12002012102 in words is "twelve billion, two million, twelve thousand, one hundred two".