2123212003 has 8 divisors (see below), whose sum is σ = 2396101680. Its totient is φ = 1863634080.

The previous prime is 2123211983. The next prime is 2123212009. The reversal of 2123212003 is 3002123212.

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

It is not a de Polignac number, because 2123212003 - 2⁹ = 2123211491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123212009) 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, 3327600 + ... + 3328237.

It is an arithmetic number, because the mean of its divisors is an integer number (299512710).

Almost surely, 2^2123212003 is an apocalyptic number.

2123212003 is a deficient number, since it is larger than the sum of its proper divisors (272889677).

2123212003 is a wasteful number, since it uses less digits than its factorization.

2123212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655877.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2123212003 is about 46078.3246548743. The cubic root of 2123212003 is about 1285.2801103237.

Adding to 2123212003 its reverse (3002123212), we get a palindrome (5125335215).

The spelling of 2123212003 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, three".