202120124299 has 4 divisors (see below), whose sum is σ = 202653423160. Its totient is φ = 201586825440.

The previous prime is 202120124281. The next prime is 202120124333. The reversal of 202120124299 is 992421021202.

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

It is not a de Polignac number, because 202120124299 - 2⁵ = 202120124267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120124599) 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, 266648862 + ... + 266649619.

It is an arithmetic number, because the mean of its divisors is an integer number (50663355790).

Almost surely, 2^202120124299 is an apocalyptic number.

202120124299 is a deficient number, since it is larger than the sum of its proper divisors (533298861).

202120124299 is an equidigital number, since it uses as much as digits as its factorization.

202120124299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533298860.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 202120124299 in words is "two hundred two billion, one hundred twenty million, one hundred twenty-four thousand, two hundred ninety-nine".