712161012 has 24 divisors (see below), whose sum is σ = 1700354656. Its totient is φ = 231866208.

The previous prime is 712161011. The next prime is 712161019. The reversal of 712161012 is 210161217.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 712161012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712161011) 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, 689563 + ... + 690594.

Almost surely, 2^712161012 is an apocalyptic number.

It is an amenable number.

712161012 is an abundant number, since it is smaller than the sum of its proper divisors (988193644).

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

712161012 is a wasteful number, since it uses less digits than its factorization.

712161012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380207 (or 1380205 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 712161012 is about 26686.3450476081. The cubic root of 712161012 is about 893.0163246745.

The spelling of 712161012 in words is "seven hundred twelve million, one hundred sixty-one thousand, twelve".