12201010121022 has 64 divisors (see below), whose sum is σ = 25693896646656. Its totient is φ = 3854912821760.

The previous prime is 12201010121011. The next prime is 12201010121023. The reversal of 12201010121022 is 22012101010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201010120992 and 12201010121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201010121023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73723747 + ... + 73889057.

It is an arithmetic number, because the mean of its divisors is an integer number (401467135104).

Almost surely, 2^{12201010121022} is an apocalyptic number.

12201010121022 is an abundant number, since it is smaller than the sum of its proper divisors (13492886525634).

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

12201010121022 is a wasteful number, since it uses less digits than its factorization.

12201010121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170185.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201010121022 its reverse (22012101010221), we get a palindrome (34213111131243).

The spelling of 12201010121022 in words is "twelve trillion, two hundred one billion, ten million, one hundred twenty-one thousand, twenty-two".