2152143412 has 12 divisors (see below), whose sum is σ = 3793742820. Its totient is φ = 1068216896.

The previous prime is 2152143403. The next prime is 2152143439. The reversal of 2152143412 is 2143412512.

It can be written as a sum of positive squares in 2 ways, for example, as 494350756 + 1657792656 = 22234^2 + 40716^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963087 + ... + 1964182.

It is an arithmetic number, because the mean of its divisors is an integer number (316145235).

Almost surely, 2^2152143412 is an apocalyptic number.

It is an amenable number.

2152143412 is a deficient number, since it is larger than the sum of its proper divisors (1641599408).

2152143412 is a wasteful number, since it uses less digits than its factorization.

2152143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927410 (or 3927408 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2152143412 is about 46391.1997258101. The cubic root of 2152143412 is about 1291.0916409066.

Adding to 2152143412 its reverse (2143412512), we get a palindrome (4295555924).

The spelling of 2152143412 in words is "two billion, one hundred fifty-two million, one hundred forty-three thousand, four hundred twelve".