12221220101002 has 16 divisors (see below), whose sum is σ = 19998916033824. Its totient is φ = 5554945638000.

The previous prime is 12221220100993. The next prime is 12221220101021. The reversal of 12221220101002 is 20010102212221.

It is a happy number.

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, 6909024 + ... + 8495707.

It is an arithmetic number, because the mean of its divisors is an integer number (1249932252114).

Almost surely, 2^{12221220101002} is an apocalyptic number.

12221220101002 is a deficient number, since it is larger than the sum of its proper divisors (7777695932822).

12221220101002 is a wasteful number, since it uses less digits than its factorization.

12221220101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440805.

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

Adding to 12221220101002 its reverse (20010102212221), we get a palindrome (32231322313223).

The spelling of 12221220101002 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, one hundred one thousand, two".