121201200202 has 8 divisors (see below), whose sum is σ = 181805055300. Its totient is φ = 60599515104.

The previous prime is 121201200191. The next prime is 121201200233. The reversal of 121201200202 is 202002102121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116280318001 + 4920882201 = 340999^2 + 70149^2 .

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, 394827 + ... + 631102.

Almost surely, 2^121201200202 is an apocalyptic number.

121201200202 is a deficient number, since it is larger than the sum of its proper divisors (60603855098).

121201200202 is a wasteful number, since it uses less digits than its factorization.

121201200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085000.

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

Adding to 121201200202 its reverse (202002102121), we get a palindrome (323203302323).

The spelling of 121201200202 in words is "one hundred twenty-one billion, two hundred one million, two hundred thousand, two hundred two".