2123212053 has 4 divisors (see below), whose sum is σ = 2830949408. Its totient is φ = 1415474700.

The previous prime is 2123212043. The next prime is 2123212121. The reversal of 2123212053 is 3502123212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2123212053 - 2¹³ = 2123203861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123212043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353868673 + ... + 353868678.

It is an arithmetic number, because the mean of its divisors is an integer number (707737352).

Almost surely, 2^2123212053 is an apocalyptic number.

It is an amenable number.

2123212053 is a deficient number, since it is larger than the sum of its proper divisors (707737355).

2123212053 is an equidigital number, since it uses as much as digits as its factorization.

2123212053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707737354.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2123212053 is about 46078.3251974288. The cubic root of 2123212053 is about 1285.2801204128.

Adding to 2123212053 its reverse (3502123212), we get a palindrome (5625335265).

The spelling of 2123212053 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, fifty-three".