12201111122010 has 32 divisors (see below), whose sum is σ = 29365620448320. Its totient is φ = 3244412548608.

The previous prime is 12201111121999. The next prime is 12201111122017. The reversal of 12201111122010 is 1022111110221.

It is a happy number.

It is a super-2 number, since 2×12201111122010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12201111122017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576056980 + ... + 576078159.

It is an arithmetic number, because the mean of its divisors is an integer number (917675639010).

Almost surely, 2^{12201111122010} is an apocalyptic number.

12201111122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201111122010 is an abundant number, since it is smaller than the sum of its proper divisors (17164509326310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201111122010 is a wasteful number, since it uses less digits than its factorization.

12201111122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152135502.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201111122010 its reverse (1022111110221), we get a palindrome (13223222232231).

The spelling of 12201111122010 in words is "twelve trillion, two hundred one billion, one hundred eleven million, one hundred twenty-two thousand, ten".