202020121230133 has 4 divisors (see below), whose sum is σ = 213903657773100. Its totient is φ = 190136584687168.

The previous prime is 202020121230073. The next prime is 202020121230143. The reversal of 202020121230133 is 331032121020202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126917393440644 + 75102727789489 = 11265762^2 + 8666183^2 .

It is a cyclic number.

It is not a de Polignac number, because 202020121230133 - 2²⁹ = 202019584359221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020121230143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941768271458 + ... + 5941768271491.

It is an arithmetic number, because the mean of its divisors is an integer number (53475914443275).

Almost surely, 2^{202020121230133} is an apocalyptic number.

It is an amenable number.

202020121230133 is a deficient number, since it is larger than the sum of its proper divisors (11883536542967).

202020121230133 is a wasteful number, since it uses less digits than its factorization.

202020121230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883536542966.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202020121230133 its reverse (331032121020202), we get a palindrome (533052242250335).

The spelling of 202020121230133 in words is "two hundred two trillion, twenty billion, one hundred twenty-one million, two hundred thirty thousand, one hundred thirty-three".