4012142043 has 64 divisors (see below), whose sum is σ = 6770598912. Its totient is φ = 2056734720.

The previous prime is 4012142023. The next prime is 4012142089. The reversal of 4012142043 is 3402412104.

It is not a de Polignac number, because 4012142043 - 2¹⁴ = 4012125659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4012142023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3883455 + ... + 3884487.

It is an arithmetic number, because the mean of its divisors is an integer number (105790608).

Almost surely, 2^4012142043 is an apocalyptic number.

4012142043 is a deficient number, since it is larger than the sum of its proper divisors (2758456869).

4012142043 is a wasteful number, since it uses less digits than its factorization.

4012142043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4012142043 is about 63341.4717464001. The cubic root of 4012142043 is about 1589.0056204860.

Adding to 4012142043 its reverse (3402412104), we get a palindrome (7414554147).

The spelling of 4012142043 in words is "four billion, twelve million, one hundred forty-two thousand, forty-three".