121134200202 has 12 divisors (see below), whose sum is σ = 262457433810. Its totient is φ = 40378066728.

The previous prime is 121134200113. The next prime is 121134200207. The reversal of 121134200202 is 202002431121.

It is a happy number.

121134200202 is a `hidden beast` number, since 121 + 1 + 342 + 0 + 0 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85789824201 + 35344376001 = 292899^2 + 188001^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6729677789 = 121134200202 / (1 + 2 + 1 + 1 + 3 + 4 + 2 + 0 + 0 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (121134200207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3364838877 + ... + 3364838912.

Almost surely, 2^121134200202 is an apocalyptic number.

121134200202 is an abundant number, since it is smaller than the sum of its proper divisors (141323233608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121134200202 is a wasteful number, since it uses less digits than its factorization.

121134200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729677797 (or 6729677794 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121134200202 its reverse (202002431121), we get a palindrome (323136631323).

The spelling of 121134200202 in words is "one hundred twenty-one billion, one hundred thirty-four million, two hundred thousand, two hundred two".