12221200101222 has 32 divisors (see below), whose sum is σ = 31037968512000. Its totient is φ = 3491771457384.

The previous prime is 12221200101113. The next prime is 12221200101283. The reversal of 12221200101222 is 22210100212221.

It is a happy number.

12221200101222 is a `hidden beast` number, since 1 + 222 + 120 + 0 + 101 + 222 = 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 = 12221200101195 and 12221200101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16165608222 + ... + 16165608977.

It is an arithmetic number, because the mean of its divisors is an integer number (969936516000).

Almost surely, 2^{12221200101222} is an apocalyptic number.

12221200101222 is an abundant number, since it is smaller than the sum of its proper divisors (18816768410778).

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

12221200101222 is a wasteful number, since it uses less digits than its factorization.

12221200101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32331217217 (or 32331217211 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12221200101222 its reverse (22210100212221), we get a palindrome (34431300313443).

The spelling of 12221200101222 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, one hundred one thousand, two hundred twenty-two".