2002123212 has 48 divisors (see below), whose sum is σ = 4819191552. Its totient is φ = 646620480.

The previous prime is 2002123183. The next prime is 2002123217. The reversal of 2002123212 is 2123212002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2002123191 and 2002123200.

It is not an unprimeable number, because it can be changed into a prime (2002123217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28633 + ... + 69455.

It is an arithmetic number, because the mean of its divisors is an integer number (100399824).

Almost surely, 2^2002123212 is an apocalyptic number.

It is an amenable number.

2002123212 is an abundant number, since it is smaller than the sum of its proper divisors (2817068340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002123212 is a wasteful number, since it uses less digits than its factorization.

2002123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40958 (or 40956 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2002123212 is about 44745.0914849886. The cubic root of 2002123212 is about 1260.3667387988.

Adding to 2002123212 its reverse (2123212002), we get a palindrome (4125335214).

The spelling of 2002123212 in words is "two billion, two million, one hundred twenty-three thousand, two hundred twelve".