2120212003 has 8 divisors (see below), whose sum is σ = 2609491808. Its totient is φ = 1677530304.

The previous prime is 2120211991. The next prime is 2120212019. The reversal of 2120212003 is 3002120212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120212003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2120212063) 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, 11649426 + ... + 11649607.

It is an arithmetic number, because the mean of its divisors is an integer number (326186476).

Almost surely, 2^2120212003 is an apocalyptic number.

2120212003 is a deficient number, since it is larger than the sum of its proper divisors (489279805).

2120212003 is a wasteful number, since it uses less digits than its factorization.

2120212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23299053.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120212003 is about 46045.7598807968. The cubic root of 2120212003 is about 1284.6744779464.

Adding to 2120212003 its reverse (3002120212), we get a palindrome (5122332215).

The spelling of 2120212003 in words is "two billion, one hundred twenty million, two hundred twelve thousand, three".