12221110012301 has 24 divisors (see below), whose sum is σ = 13288296425976. Its totient is φ = 11200341662720.

The previous prime is 12221110012297. The next prime is 12221110012333. The reversal of 12221110012301 is 10321001112221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8359609907401 + 3861500104900 = 2891299^2 + 1965070^2 .

It is not a de Polignac number, because 12221110012301 - 2² = 12221110012297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221110012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221110014301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6571961 + ... + 8223921.

It is an arithmetic number, because the mean of its divisors is an integer number (553679017749).

Almost surely, 2^{12221110012301} is an apocalyptic number.

It is an amenable number.

12221110012301 is a deficient number, since it is larger than the sum of its proper divisors (1067186413675).

12221110012301 is a wasteful number, since it uses less digits than its factorization.

12221110012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652269 (or 1652222 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12221110012301 its reverse (10321001112221), we get a palindrome (22542111124522).

The spelling of 12221110012301 in words is "twelve trillion, two hundred twenty-one billion, one hundred ten million, twelve thousand, three hundred one".