122547507612 has 12 divisors (see below), whose sum is σ = 285944184456. Its totient is φ = 40849169200.

The previous prime is 122547507583. The next prime is 122547507631. The reversal of 122547507612 is 216705745221.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5106146139 + ... + 5106146162.

It is an arithmetic number, because the mean of its divisors is an integer number (23828682038).

Almost surely, 2^122547507612 is an apocalyptic number.

122547507612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122547507612 is an abundant number, since it is smaller than the sum of its proper divisors (163396676844).

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

122547507612 is a wasteful number, since it uses less digits than its factorization.

122547507612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212292308 (or 10212292306 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 122547507612 in words is "one hundred twenty-two billion, five hundred forty-seven million, five hundred seven thousand, six hundred twelve".