121210202002 has 8 divisors (see below), whose sum is σ = 188084796300. Its totient is φ = 58515269904.

The previous prime is 121210201997. The next prime is 121210202063. The reversal of 121210202002 is 200202012121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113932576521 + 7277625481 = 337539^2 + 85309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044915477 + ... + 1044915592.

Almost surely, 2^121210202002 is an apocalyptic number.

121210202002 is a deficient number, since it is larger than the sum of its proper divisors (66874594298).

121210202002 is a wasteful number, since it uses less digits than its factorization.

121210202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089831100.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121210202002 its reverse (200202012121), we get a palindrome (321412214123).

The spelling of 121210202002 in words is "one hundred twenty-one billion, two hundred ten million, two hundred two thousand, two".