2123113012 has 6 divisors (see below), whose sum is σ = 3715447778. Its totient is φ = 1061556504.

The previous prime is 2123113007. The next prime is 2123113037. The reversal of 2123113012 is 2103113212.

It can be written as a sum of positive squares in only one way, i.e., 1330352676 + 792760336 = 36474^2 + 28156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265389123 + ... + 265389130.

Almost surely, 2^2123113012 is an apocalyptic number.

It is an amenable number.

2123113012 is a deficient number, since it is larger than the sum of its proper divisors (1592334766).

2123113012 is a wasteful number, since it uses less digits than its factorization.

2123113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530778257 (or 530778255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2123113012 is about 46077.2504822065. The cubic root of 2123113012 is about 1285.2601353769.

Adding to 2123113012 its reverse (2103113212), we get a palindrome (4226226224).

It can be divided in two parts, 21231 and 13012, that added together give a palindrome (34243).

The spelling of 2123113012 in words is "two billion, one hundred twenty-three million, one hundred thirteen thousand, twelve".