12011221212010 has 16 divisors (see below), whose sum is σ = 21623747823072. Its totient is φ = 4803699675600.

The previous prime is 12011221211993. The next prime is 12011221212041. The reversal of 12011221212010 is 1021212211021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98537196 + ... + 98659015.

It is an arithmetic number, because the mean of its divisors is an integer number (1351484238942).

Almost surely, 2^{12011221212010} is an apocalyptic number.

12011221212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011221212010 is a deficient number, since it is larger than the sum of its proper divisors (9612526611062).

12011221212010 is a wasteful number, since it uses less digits than its factorization.

12011221212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197202309.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011221212010 its reverse (1021212211021), we get a palindrome (13032433423031).

The spelling of 12011221212010 in words is "twelve trillion, eleven billion, two hundred twenty-one million, two hundred twelve thousand, ten".