12201011112210 has 256 divisors, whose sum is σ = 32109584855040. Its totient is φ = 2956511093760.

The previous prime is 12201011112209. The next prime is 12201011112211. The reversal of 12201011112210 is 1221111010221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12201011112209) and next prime (12201011112211).

It is a super-2 number, since 2×12201011112210² (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 a self number, because there is not a number n which added to its sum of digits gives 12201011112210.

It is not an unprimeable number, because it can be changed into a prime (12201011112211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 967329864 + ... + 967342476.

It is an arithmetic number, because the mean of its divisors is an integer number (125428065840).

Almost surely, 2^{12201011112210} is an apocalyptic number.

12201011112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12201011112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16054792427520).

12201011112210 is an abundant number, since it is smaller than the sum of its proper divisors (19908573742830).

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

12201011112210 is a wasteful number, since it uses less digits than its factorization.

12201011112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13393.

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

Adding to 12201011112210 its reverse (1221111010221), we get a palindrome (13422122122431).

The spelling of 12201011112210 in words is "twelve trillion, two hundred one billion, eleven million, one hundred twelve thousand, two hundred ten".