121210200202 has 16 divisors (see below), whose sum is σ = 223772677632. Its totient is φ = 47951287920.

The previous prime is 121210200197. The next prime is 121210200203. The reversal of 121210200202 is 202002012121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (121210200203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332994874 + ... + 332995237.

It is an arithmetic number, because the mean of its divisors is an integer number (13985792352).

Almost surely, 2^121210200202 is an apocalyptic number.

121210200202 is a deficient number, since it is larger than the sum of its proper divisors (102562477430).

121210200202 is a wasteful number, since it uses less digits than its factorization.

121210200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665990133.

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

Adding to 121210200202 its reverse (202002012121), we get a palindrome (323212212323).

The spelling of 121210200202 in words is "one hundred twenty-one billion, two hundred ten million, two hundred thousand, two hundred two".