651122060072 has 32 divisors (see below), whose sum is σ = 1333384001280. Its totient is φ = 295621589760.

The previous prime is 651122060063. The next prime is 651122060087. The reversal of 651122060072 is 270060221156.

651122060072 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 2×651122060072² (a number of 24 digits) contains 22 as substring.

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, 4210913 + ... + 4362800.

It is an arithmetic number, because the mean of its divisors is an integer number (41668250040).

Almost surely, 2^651122060072 is an apocalyptic number.

It is an amenable number.

651122060072 is an abundant number, since it is smaller than the sum of its proper divisors (682261941208).

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

651122060072 is a wasteful number, since it uses less digits than its factorization.

651122060072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574593 (or 8574589 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 651122060072 in words is "six hundred fifty-one billion, one hundred twenty-two million, sixty thousand, seventy-two".