2002123212231 has 8 divisors (see below), whose sum is σ = 2669555904640. Its totient is φ = 1334719663992.

The previous prime is 2002123212223. The next prime is 2002123212283. The reversal of 2002123212231 is 1322123212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002123212231 - 2³ = 2002123212223 is a prime.

It is a super-2 number, since 2×2002123212231² (a number of 25 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 = 2002123212198 and 2002123212207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002123212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7125241 + ... + 7400898.

It is an arithmetic number, because the mean of its divisors is an integer number (333694488080).

Almost surely, 2^{2002123212231} is an apocalyptic number.

2002123212231 is a deficient number, since it is larger than the sum of its proper divisors (667432692409).

2002123212231 is a wasteful number, since it uses less digits than its factorization.

2002123212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572085.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2002123212231 its reverse (1322123212002), we get a palindrome (3324246424233).

The spelling of 2002123212231 in words is "two trillion, two billion, one hundred twenty-three million, two hundred twelve thousand, two hundred thirty-one".