12012001102 has 4 divisors (see below), whose sum is σ = 18018001656. Its totient is φ = 6006000550.

The previous prime is 12012001097. The next prime is 12012001103. The reversal of 12012001102 is 20110021021.

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 (12012001103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003000274 + ... + 3003000277.

It is an arithmetic number, because the mean of its divisors is an integer number (4504500414).

Almost surely, 2^12012001102 is an apocalyptic number.

12012001102 is a deficient number, since it is larger than the sum of its proper divisors (6006000554).

12012001102 is an equidigital number, since it uses as much as digits as its factorization.

12012001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006000553.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012001102 its reverse (20110021021), we get a palindrome (32122022123).

The spelling of 12012001102 in words is "twelve billion, twelve million, one thousand, one hundred two".