10021212142 has 16 divisors (see below), whose sum is σ = 15858234000. Its totient is φ = 4736309760.

The previous prime is 10021212119. The next prime is 10021212151. The reversal of 10021212142 is 24121212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276609 + ... + 310732.

It is an arithmetic number, because the mean of its divisors is an integer number (991139625).

Almost surely, 2^10021212142 is an apocalyptic number.

10021212142 is a deficient number, since it is larger than the sum of its proper divisors (5837021858).

10021212142 is a wasteful number, since it uses less digits than its factorization.

10021212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587811.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10021212142 its reverse (24121212001), we get a palindrome (34142424143).

The spelling of 10021212142 in words is "ten billion, twenty-one million, two hundred twelve thousand, one hundred forty-two".