4012143451 has 4 divisors (see below), whose sum is σ = 4036757992. Its totient is φ = 3987528912.

The previous prime is 4012143427. The next prime is 4012143467. The reversal of 4012143451 is 1543412104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4012143451 - 2⁷ = 4012143323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012113451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12307026 + ... + 12307351.

It is an arithmetic number, because the mean of its divisors is an integer number (1009189498).

Almost surely, 2^4012143451 is an apocalyptic number.

4012143451 is a deficient number, since it is larger than the sum of its proper divisors (24614541).

4012143451 is a wasteful number, since it uses less digits than its factorization.

4012143451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24614540.

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

The square root of 4012143451 is about 63341.4828607604. The cubic root of 4012143451 is about 1589.0058063651.

Adding to 4012143451 its reverse (1543412104), we get a palindrome (5555555555).

The spelling of 4012143451 in words is "four billion, twelve million, one hundred forty-three thousand, four hundred fifty-one".