122115266712 has 64 divisors (see below), whose sum is σ = 350151321600. Its totient is φ = 39392019360.

The previous prime is 122115266657. The next prime is 122115266717. The reversal of 122115266712 is 217662511221.

122115266712 is a `hidden beast` number, since 122 + 1 + 1 + 526 + 6 + 7 + 1 + 2 = 666.

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 (122115266717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9111828 + ... + 9125219.

It is an arithmetic number, because the mean of its divisors is an integer number (5471114400).

Almost surely, 2^122115266712 is an apocalyptic number.

122115266712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122115266712 is an abundant number, since it is smaller than the sum of its proper divisors (228036054888).

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

122115266712 is a wasteful number, since it uses less digits than its factorization.

122115266712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18237093 (or 18237083 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 122115266712 its reverse (217662511221), we get a palindrome (339777777933).

The spelling of 122115266712 in words is "one hundred twenty-two billion, one hundred fifteen million, two hundred sixty-six thousand, seven hundred twelve".