122547107412 has 42 divisors (see below), whose sum is σ = 321539074458. Its totient is φ = 40849034832.

The previous prime is 122547107411. The next prime is 122547107447. The reversal of 122547107412 is 214701745221.

122547107412 is a `hidden beast` number, since 1 + 2 + 2 + 547 + 107 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64387032516 + 58160074896 = 253746^2 + 241164^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122547107411) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 21009963 + ... + 21015794.

It is an arithmetic number, because the mean of its divisors is an integer number (7655692249).

Almost surely, 2^122547107412 is an apocalyptic number.

122547107412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122547107412 is an abundant number, since it is smaller than the sum of its proper divisors (198991967046).

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

122547107412 is an equidigital number, since it uses as much as digits as its factorization.

122547107412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42025779 (or 42025762 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 122547107412 in words is "one hundred twenty-two billion, five hundred forty-seven million, one hundred seven thousand, four hundred twelve".