121320001202 has 16 divisors (see below), whose sum is σ = 182238083160. Its totient is φ = 60574010112.

The previous prime is 121320001189. The next prime is 121320001207. The reversal of 121320001202 is 202100023121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22622867281 + 98697133921 = 150409^2 + 314161^2 .

It is not an unprimeable number, because it can be changed into a prime (121320001207) 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, 11030618 + ... + 11041610.

Almost surely, 2^121320001202 is an apocalyptic number.

121320001202 is a deficient number, since it is larger than the sum of its proper divisors (60918081958).

121320001202 is a wasteful number, since it uses less digits than its factorization.

121320001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18317.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121320001202 its reverse (202100023121), we get a palindrome (323420024323).

The spelling of 121320001202 in words is "one hundred twenty-one billion, three hundred twenty million, one thousand, two hundred two".