122695473856 has 112 divisors (see below), whose sum is σ = 254141020800. Its totient is φ = 58719817728.

The previous prime is 122695473851. The next prime is 122695473869. The reversal of 122695473856 is 658374596221.

It is a self number, because there is not a number n which added to its sum of digits gives 122695473856.

It is not an unprimeable number, because it can be changed into a prime (122695473851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59300790 + ... + 59302858.

Almost surely, 2^122695473856 is an apocalyptic number.

122695473856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122695473856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127070510400).

122695473856 is an abundant number, since it is smaller than the sum of its proper divisors (131445546944).

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

122695473856 is a wasteful number, since it uses less digits than its factorization.

122695473856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514 (or 2504 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 122695473856 in words is "one hundred twenty-two billion, six hundred ninety-five million, four hundred seventy-three thousand, eight hundred fifty-six".