12201121121002 has 16 divisors (see below), whose sum is σ = 20429784204192. Its totient is φ = 5416988235120.

The previous prime is 12201121120967. The next prime is 12201121121009. The reversal of 12201121121002 is 20012112110221.

It is a super-2 number, since 2×12201121121002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12201121121009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448794573 + ... + 6448796464.

It is an arithmetic number, because the mean of its divisors is an integer number (1276861512762).

Almost surely, 2^{12201121121002} is an apocalyptic number.

12201121121002 is a deficient number, since it is larger than the sum of its proper divisors (8228663083190).

12201121121002 is a wasteful number, since it uses less digits than its factorization.

12201121121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897591093.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201121121002 its reverse (20012112110221), we get a palindrome (32213233231223).

The spelling of 12201121121002 in words is "twelve trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty-one thousand, two".