121300120320202 has 16 divisors (see below), whose sum is σ = 202792770815040. Its totient is φ = 54078072216768.

The previous prime is 121300120320191. The next prime is 121300120320209. The reversal of 121300120320202 is 202023021003121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 121300120320202.

It is not an unprimeable number, because it can be changed into a prime (121300120320209) 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, 93885541398 + ... + 93885542689.

It is an arithmetic number, because the mean of its divisors is an integer number (12674548175940).

Almost surely, 2^{121300120320202} is an apocalyptic number.

121300120320202 is a deficient number, since it is larger than the sum of its proper divisors (81492650494838).

121300120320202 is a wasteful number, since it uses less digits than its factorization.

121300120320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187771084125.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121300120320202 its reverse (202023021003121), we get a palindrome (323323141323323).

It can be divided in two parts, 1213001 and 20320202, that added together give a triangular number (21533203 = T₆₅₆₂).

The spelling of 121300120320202 in words is "one hundred twenty-one trillion, three hundred billion, one hundred twenty million, three hundred twenty thousand, two hundred two".