2123054412 has 24 divisors (see below), whose sum is σ = 4955216112. Its totient is φ = 707481600.

The previous prime is 2123054411. The next prime is 2123054473. The reversal of 2123054412 is 2144503212.

It is not an unprimeable number, because it can be changed into a prime (2123054411) 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, 21612 + ... + 68652.

It is an arithmetic number, because the mean of its divisors is an integer number (206467338).

Almost surely, 2^2123054412 is an apocalyptic number.

It is an amenable number.

2123054412 is an abundant number, since it is smaller than the sum of its proper divisors (2832161700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123054412 is a wasteful number, since it uses less digits than its factorization.

2123054412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50809 (or 50807 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2123054412 is about 46076.6145891818. The cubic root of 2123054412 is about 1285.2483104549.

Adding to 2123054412 its reverse (2144503212), we get a palindrome (4267557624).

The spelling of 2123054412 in words is "two billion, one hundred twenty-three million, fifty-four thousand, four hundred twelve".