202320000212121 has 48 divisors (see below), whose sum is σ = 319596852294720. Its totient is φ = 122314516623360.

The previous prime is 202320000212107. The next prime is 202320000212123. The reversal of 202320000212121 is 121212000023202.

202320000212121 is a `hidden beast` number, since 202 + 320 + 0 + 0 + 0 + 2 + 121 + 21 = 666.

It is not a de Polignac number, because 202320000212121 - 2⁷ = 202320000211993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202320000212094 and 202320000212103.

It is not an unprimeable number, because it can be changed into a prime (202320000212123) 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 47 ways as a sum of consecutive naturals, for example, 1772922361 + ... + 1773036473.

It is an arithmetic number, because the mean of its divisors is an integer number (6658267756140).

Almost surely, 2^{202320000212121} is an apocalyptic number.

It is an amenable number.

202320000212121 is a deficient number, since it is larger than the sum of its proper divisors (117276852082599).

202320000212121 is a wasteful number, since it uses less digits than its factorization.

202320000212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158326 (or 158323 counting only the distinct ones).

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

Adding to 202320000212121 its reverse (121212000023202), we get a palindrome (323532000235323).

The spelling of 202320000212121 in words is "two hundred two trillion, three hundred twenty billion, two hundred twelve thousand, one hundred twenty-one".