12221012002002 has 32 divisors (see below), whose sum is σ = 24532173923712. Its totient is φ = 4058671567104.

The previous prime is 12221012001977. The next prime is 12221012002007. The reversal of 12221012002002 is 20020021012221.

It is not an unprimeable number, because it can be changed into a prime (12221012002007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346473 + ... + 5123964.

It is an arithmetic number, because the mean of its divisors is an integer number (766630435116).

Almost surely, 2^{12221012002002} is an apocalyptic number.

12221012002002 is an abundant number, since it is smaller than the sum of its proper divisors (12311161921710).

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

12221012002002 is a wasteful number, since it uses less digits than its factorization.

12221012002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471602.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12221012002002 its reverse (20020021012221), we get a palindrome (32241033014223).

The spelling of 12221012002002 in words is "twelve trillion, two hundred twenty-one billion, twelve million, two thousand, two".