202132121239 has 4 divisors (see below), whose sum is σ = 202138100824. Its totient is φ = 202126141656.

The previous prime is 202132121203. The next prime is 202132121251. The reversal of 202132121239 is 932121231202.

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

It is a cyclic number.

It is not a de Polignac number, because 202132121239 - 2⁷ = 202132121111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202132121339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2938797 + ... + 3006790.

It is an arithmetic number, because the mean of its divisors is an integer number (50534525206).

Almost surely, 2^202132121239 is an apocalyptic number.

202132121239 is a deficient number, since it is larger than the sum of its proper divisors (5979585).

202132121239 is an equidigital number, since it uses as much as digits as its factorization.

202132121239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979584.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 202132121239 in words is "two hundred two billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-nine".