2002312121204 has 36 divisors (see below), whose sum is σ = 3663262181124. Its totient is φ = 957564212352.

The previous prime is 2002312121203. The next prime is 2002312121213. The reversal of 2002312121204 is 4021212132002.

It can be written as a sum of positive squares in 2 ways, for example, as 694372224100 + 1307939897104 = 833290^2 + 1143652^2 .

It is a super-3 number, since 3×2002312121204³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002312121203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54102434 + ... + 54139430.

It is an arithmetic number, because the mean of its divisors is an integer number (101757282809).

Almost surely, 2^{2002312121204} is an apocalyptic number.

It is an amenable number.

2002312121204 is a deficient number, since it is larger than the sum of its proper divisors (1660950059920).

2002312121204 is a wasteful number, since it uses less digits than its factorization.

2002312121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62624 (or 62599 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2002312121204 its reverse (4021212132002), we get a palindrome (6023524253206).

The spelling of 2002312121204 in words is "two trillion, two billion, three hundred twelve million, one hundred twenty-one thousand, two hundred four".