122208995862 has 16 divisors (see below), whose sum is σ = 271575546480. Its totient is φ = 40736331936.

The previous prime is 122208995861. The next prime is 122208995891. The reversal of 122208995862 is 268599802221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2263129553 = 122208995862 / (1 + 2 + 2 + 2 + 0 + 8 + 9 + 9 + 5 + 8 + 6 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 122208995799 and 122208995808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122208995861) 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 7 ways as a sum of consecutive naturals, for example, 1131564723 + ... + 1131564830.

It is an arithmetic number, because the mean of its divisors is an integer number (16973471655).

Almost surely, 2^122208995862 is an apocalyptic number.

122208995862 is an abundant number, since it is smaller than the sum of its proper divisors (149366550618).

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

122208995862 is a wasteful number, since it uses less digits than its factorization.

122208995862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263129564 (or 2263129558 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 122208995862 in words is "one hundred twenty-two billion, two hundred eight million, nine hundred ninety-five thousand, eight hundred sixty-two".