122547464216 has 8 divisors (see below), whose sum is σ = 229776495420. Its totient is φ = 61273732104.

The previous prime is 122547464209. The next prime is 122547464219. The reversal of 122547464216 is 612464745221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122547464219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7659216506 + ... + 7659216521.

Almost surely, 2^122547464216 is an apocalyptic number.

It is an amenable number.

122547464216 is a deficient number, since it is larger than the sum of its proper divisors (107229031204).

122547464216 is a wasteful number, since it uses less digits than its factorization.

122547464216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318433033 (or 15318433029 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The spelling of 122547464216 in words is "one hundred twenty-two billion, five hundred forty-seven million, four hundred sixty-four thousand, two hundred sixteen".