12221011022002 has 16 divisors (see below), whose sum is σ = 18352382023512. Its totient is φ = 6103551329280.

The previous prime is 12221011021991. The next prime is 12221011022027. The reversal of 12221011022002 is 20022011012221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12102682589881 + 118328432121 = 3478891^2 + 343989^2 .

It is a super-2 number, since 2×12221011022002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25419148 + ... + 25895464.

Almost surely, 2^{12221011022002} is an apocalyptic number.

12221011022002 is a deficient number, since it is larger than the sum of its proper divisors (6131371001510).

12221011022002 is a wasteful number, since it uses less digits than its factorization.

12221011022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490893.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12221011022002 its reverse (20022011012221), we get a palindrome (32243022034223).

The spelling of 12221011022002 in words is "twelve trillion, two hundred twenty-one billion, eleven million, twenty-two thousand, two".