2123213013 has 16 divisors (see below), whose sum is σ = 3147580800. Its totient is φ = 1414539360.

The previous prime is 2123213009. The next prime is 2123213017. The reversal of 2123213013 is 3103123212.

It is an interprime number because it is at equal distance from previous prime (2123213009) and next prime (2123213017).

It is not a de Polignac number, because 2123213013 - 2² = 2123213009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123213017) 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, 16873 + ... + 67313.

It is an arithmetic number, because the mean of its divisors is an integer number (196723800).

Almost surely, 2^2123213013 is an apocalyptic number.

It is an amenable number.

2123213013 is a deficient number, since it is larger than the sum of its proper divisors (1024367787).

2123213013 is a wasteful number, since it uses less digits than its factorization.

2123213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52009 (or 52003 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123213013 is about 46078.3356144729. The cubic root of 2123213013 is about 1285.2803141239.

Adding to 2123213013 its reverse (3103123212), we get a palindrome (5226336225).

The spelling of 2123213013 in words is "two billion, one hundred twenty-three million, two hundred thirteen thousand, thirteen".