10142021234 has 16 divisors (see below), whose sum is σ = 15627814488. Its totient is φ = 4932813312.

The previous prime is 10142021231. The next prime is 10142021243. The reversal of 10142021234 is 43212024101.

10142021234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9961038025 + 180983209 = 99805^2 + 13453^2 .

It is not an unprimeable number, because it can be changed into a prime (10142021231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368024 + ... + 394620.

Almost surely, 2^10142021234 is an apocalyptic number.

10142021234 is a deficient number, since it is larger than the sum of its proper divisors (5485793254).

10142021234 is a wasteful number, since it uses less digits than its factorization.

10142021234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31789.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10142021234 its reverse (43212024101), we get a palindrome (53354045335).

The spelling of 10142021234 in words is "ten billion, one hundred forty-two million, twenty-one thousand, two hundred thirty-four".