12201221211030 has 40 divisors (see below), whose sum is σ = 32807728147392. Its totient is φ = 3253658989392.

The previous prime is 12201221211029. The next prime is 12201221211059. The reversal of 12201221211030 is 3011212210221.

12201221211030 is a `hidden beast` number, since 1 + 2 + 201 + 221 + 211 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12201221210994 and 12201221211012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7531617222 + ... + 7531618841.

Almost surely, 2^{12201221211030} is an apocalyptic number.

12201221211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201221211030 is an abundant number, since it is smaller than the sum of its proper divisors (20606506936362).

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

12201221211030 is a wasteful number, since it uses less digits than its factorization.

12201221211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063236082 (or 15063236073 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12201221211030 its reverse (3011212210221), we get a palindrome (15212433421251).

The spelling of 12201221211030 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred eleven thousand, thirty".