12121021001202 has 16 divisors (see below), whose sum is σ = 24252172428960. Its totient is φ = 4038651929312.

The previous prime is 12121021001197. The next prime is 12121021001203. The reversal of 12121021001202 is 20210012012121.

It is a super-2 number, since 2×12121021001202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12121021001203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422085552 + ... + 422114267.

It is an arithmetic number, because the mean of its divisors is an integer number (1515760776810).

Almost surely, 2^{12121021001202} is an apocalyptic number.

12121021001202 is an abundant number, since it is smaller than the sum of its proper divisors (12131151427758).

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

12121021001202 is a wasteful number, since it uses less digits than its factorization.

12121021001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844202217.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12121021001202 its reverse (20210012012121), we get a palindrome (32331033013323).

The spelling of 12121021001202 in words is "twelve trillion, one hundred twenty-one billion, twenty-one million, one thousand, two hundred two".