200302012210021 has 4 divisors (see below), whose sum is σ = 200305259341792. Its totient is φ = 200298765078252.

The previous prime is 200302012209989. The next prime is 200302012210043. The reversal of 200302012210021 is 120012210203002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200302012210021 - 2⁵ = 200302012209989 is a prime.

It is a super-2 number, since 2×200302012210021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200302012209977 and 200302012210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200302042210021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623473355 + ... + 1623596728.

It is an arithmetic number, because the mean of its divisors is an integer number (50076314835448).

Almost surely, 2^{200302012210021} is an apocalyptic number.

It is an amenable number.

200302012210021 is a deficient number, since it is larger than the sum of its proper divisors (3247131771).

200302012210021 is an equidigital number, since it uses as much as digits as its factorization.

200302012210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247131770.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200302012210021 its reverse (120012210203002), we get a palindrome (320314222413023).

The spelling of 200302012210021 in words is "two hundred trillion, three hundred two billion, twelve million, two hundred ten thousand, twenty-one".