2123342012 has 24 divisors (see below), whose sum is σ = 4054821120. Its totient is φ = 964877360.

The previous prime is 2123342009. The next prime is 2123342027. The reversal of 2123342012 is 2102433212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289373 + ... + 296619.

It is an arithmetic number, because the mean of its divisors is an integer number (168950880).

Almost surely, 2^2123342012 is an apocalyptic number.

2123342012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2123342012 is a deficient number, since it is larger than the sum of its proper divisors (1931479108).

2123342012 is a wasteful number, since it uses less digits than its factorization.

2123342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13921 (or 13919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2123342012 is about 46079.7353725040. The cubic root of 2123342012 is about 1285.3063433096.

Adding to 2123342012 its reverse (2102433212), we get a palindrome (4225775224).

The spelling of 2123342012 in words is "two billion, one hundred twenty-three million, three hundred forty-two thousand, twelve".