202212121002 has 16 divisors (see below), whose sum is σ = 404924158080. Its totient is φ = 67320720992.

The previous prime is 202212120973. The next prime is 202212121003. The reversal of 202212121002 is 200121212202.

It is not an unprimeable number, because it can be changed into a prime (202212121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20824578 + ... + 20834285.

It is an arithmetic number, because the mean of its divisors is an integer number (25307759880).

Almost surely, 2^202212121002 is an apocalyptic number.

202212121002 is an abundant number, since it is smaller than the sum of its proper divisors (202712037078).

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

202212121002 is a wasteful number, since it uses less digits than its factorization.

202212121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41659677.

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

Adding to 202212121002 its reverse (200121212202), we get a palindrome (402333333204).

The spelling of 202212121002 in words is "two hundred two billion, two hundred twelve million, one hundred twenty-one thousand, two".