121300200202 has 16 divisors (see below), whose sum is σ = 182669663592. Its totient is φ = 60410750400.

The previous prime is 121300200191. The next prime is 121300200221. The reversal of 121300200202 is 202002003121.

It can be written as a sum of positive squares in 4 ways, for example, as 118749849201 + 2550351001 = 344601^2 + 50501^2 .

It is an unprimeable number.

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, 447628 + ... + 665560.

Almost surely, 2^121300200202 is an apocalyptic number.

121300200202 is a deficient number, since it is larger than the sum of its proper divisors (61369463390).

121300200202 is a wasteful number, since it uses less digits than its factorization.

121300200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219033.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 121300200202 its reverse (202002003121), we get a palindrome (323302203323).

The spelling of 121300200202 in words is "one hundred twenty-one billion, three hundred million, two hundred thousand, two hundred two".