12201001221010 has 32 divisors (see below), whose sum is σ = 25099370519040. Its totient is φ = 4183172417472.

The previous prime is 12201001220977. The next prime is 12201001221023. The reversal of 12201001221010 is 1012210010221.

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 15 ways as a sum of consecutive naturals, for example, 11818932 + ... + 12809728.

It is an arithmetic number, because the mean of its divisors is an integer number (784355328720).

Almost surely, 2^{12201001221010} is an apocalyptic number.

12201001221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201001221010 is an abundant number, since it is smaller than the sum of its proper divisors (12898369298030).

12201001221010 is a wasteful number, since it uses less digits than its factorization.

12201001221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166730.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201001221010 its reverse (1012210010221), we get a palindrome (13213211231231).

The spelling of 12201001221010 in words is "twelve trillion, two hundred one billion, one million, two hundred twenty-one thousand, ten".