67212055672 has 16 divisors (see below), whose sum is σ = 126379614240. Its totient is φ = 33510825216.

The previous prime is 67212055621. The next prime is 67212055681. The reversal of 67212055672 is 27655021276.

67212055672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11897328 + ... + 11902975.

It is an arithmetic number, because the mean of its divisors is an integer number (7898725890).

Almost surely, 2^67212055672 is an apocalyptic number.

It is an amenable number.

67212055672 is a deficient number, since it is larger than the sum of its proper divisors (59167558568).

67212055672 is a wasteful number, since it uses less digits than its factorization.

67212055672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23800662 (or 23800658 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 67212055672 in words is "sixty-seven billion, two hundred twelve million, fifty-five thousand, six hundred seventy-two".