122255231409 has 12 divisors (see below), whose sum is σ = 176896947396. Its totient is φ = 81362230272.

The previous prime is 122255231401. The next prime is 122255231419. The reversal of 122255231409 is 904132552221.

122255231409 is a `hidden beast` number, since 1 + 2 + 225 + 5 + 23 + 1 + 409 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103108421025 + 19146810384 = 321105^2 + 138372^2 .

It is not a de Polignac number, because 122255231409 - 2³ = 122255231401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122255231401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11765964 + ... + 11776349.

It is an arithmetic number, because the mean of its divisors is an integer number (14741412283).

Almost surely, 2^122255231409 is an apocalyptic number.

It is an amenable number.

122255231409 is a deficient number, since it is larger than the sum of its proper divisors (54641715987).

122255231409 is a wasteful number, since it uses less digits than its factorization.

122255231409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23542896 (or 23542893 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 122255231409 in words is "one hundred twenty-two billion, two hundred fifty-five million, two hundred thirty-one thousand, four hundred nine".