712821011 has 8 divisors (see below), whose sum is σ = 814960224. Its totient is φ = 610758720.

The previous prime is 712820993. The next prime is 712821013. The reversal of 712821011 is 110128217.

712821011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712821011 - 2¹⁸ = 712558867 is a prime.

It is a super-2 number, since 2×712821011² = 1016227587446124242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712821013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231 + ... + 37823.

It is an arithmetic number, because the mean of its divisors is an integer number (101870028).

Almost surely, 2^712821011 is an apocalyptic number.

712821011 is a deficient number, since it is larger than the sum of its proper divisors (102139213).

712821011 is a wasteful number, since it uses less digits than its factorization.

712821011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38461.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 712821011 is about 26698.7080399034. The cubic root of 712821011 is about 893.2921087044.

Adding to 712821011 its reverse (110128217), we get a palindrome (822949228).

The spelling of 712821011 in words is "seven hundred twelve million, eight hundred twenty-one thousand, eleven".