12011211002 has 16 divisors (see below), whose sum is σ = 20897972160.
Its totient is φ = 5070830688.
The previous prime is 12011210999. The next prime is 12011211011. The reversal of 12011211002 is 20011211021.
Adding to 12011211002 its reverse (20011211021), we get a palindrome (32022422023).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6401627 + ... + 6403502.
It is an arithmetic number, because the mean of its divisors is an integer number (1306123260).
Almost surely, 212011211002 is an apocalyptic number.
12011211002 is a deficient number, since it is larger than the sum of its proper divisors (8886761158).
12011211002 is a wasteful number, since it uses less digits than its factorization.
12011211002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12805205.
The product of its (nonzero) digits is 8, while the sum is 11.
The spelling of 12011211002 in words is "twelve billion, eleven million, two hundred eleven thousand, two".