721260012 has 48 divisors (see below), whose sum is σ = 1895169024. Its totient is φ = 211512000.

The previous prime is 721259999. The next prime is 721260031. The reversal of 721260012 is 210062127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84039 + ... + 92222.

It is an arithmetic number, because the mean of its divisors is an integer number (39482688).

Almost surely, 2^721260012 is an apocalyptic number.

It is an amenable number.

721260012 is an abundant number, since it is smaller than the sum of its proper divisors (1173909012).

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

721260012 is a wasteful number, since it uses less digits than its factorization.

721260012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176310 (or 176308 counting only the distinct ones).

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

The square root of 721260012 is about 26856.2844042135. The cubic root of 721260012 is about 896.8034801504.

The spelling of 721260012 in words is "seven hundred twenty-one million, two hundred sixty thousand, twelve".