12201111222010 has 16 divisors (see below), whose sum is σ = 22014166478472. Its totient is φ = 4868851982400.

The previous prime is 12201111221969. The next prime is 12201111222031. The reversal of 12201111222010 is 1022211110221.

It can be written as a sum of positive squares in 4 ways, for example, as 8259881748001 + 3941229474009 = 2874001^2 + 1985253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449058881 + ... + 1449067300.

Almost surely, 2^{12201111222010} is an apocalyptic number.

12201111222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201111222010 is a deficient number, since it is larger than the sum of its proper divisors (9813055256462).

12201111222010 is a wasteful number, since it uses less digits than its factorization.

12201111222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898126609.

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

Adding to 12201111222010 its reverse (1022211110221), we get a palindrome (13223322332231).

The spelling of 12201111222010 in words is "twelve trillion, two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, ten".