121202020002 has 16 divisors (see below), whose sum is σ = 277033188672. Its totient is φ = 34629148560.

The previous prime is 121202019997. The next prime is 121202020019. The reversal of 121202020002 is 200020202121.

It is a self number, because there is not a number n which added to its sum of digits gives 121202020002.

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, 1442881149 + ... + 1442881232.

It is an arithmetic number, because the mean of its divisors is an integer number (17314574292).

Almost surely, 2^121202020002 is an apocalyptic number.

121202020002 is an abundant number, since it is smaller than the sum of its proper divisors (155831168670).

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

121202020002 is a wasteful number, since it uses less digits than its factorization.

121202020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885762393.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 121202020002 its reverse (200020202121), we get a palindrome (321222222123).

The spelling of 121202020002 in words is "one hundred twenty-one billion, two hundred two million, twenty thousand, two".