729985854012 has 24 divisors (see below), whose sum is σ = 1703433454800. Its totient is φ = 243309599616.

The previous prime is 729985853981. The next prime is 729985854083. The reversal of 729985854012 is 210458589927.

729985854012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×729985854012² (a number of 25 digits) contains 22 as substring.

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, 2216937 + ... + 2524832.

It is an arithmetic number, because the mean of its divisors is an integer number (70976393950).

Almost surely, 2^729985854012 is an apocalyptic number.

It is an amenable number.

729985854012 is an abundant number, since it is smaller than the sum of its proper divisors (973447600788).

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

729985854012 is a wasteful number, since it uses less digits than its factorization.

729985854012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754605 (or 4754603 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 729985854012 in words is "seven hundred twenty-nine billion, nine hundred eighty-five million, eight hundred fifty-four thousand, twelve".