10021043712 has 160 divisors (see below), whose sum is σ = 27504525312. Its totient is φ = 3240566784.

The previous prime is 10021043693. The next prime is 10021043743. The reversal of 10021043712 is 21734012001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9167838 + ... + 9168930.

Almost surely, 2^10021043712 is an apocalyptic number.

10021043712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021043712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13752262656).

10021043712 is an abundant number, since it is smaller than the sum of its proper divisors (17483481600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021043712 is a wasteful number, since it uses less digits than its factorization.

10021043712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 10021043712 its reverse (21734012001), we get a palindrome (31755055713).

The spelling of 10021043712 in words is "ten billion, twenty-one million, forty-three thousand, seven hundred twelve".