122231300056 has 32 divisors (see below), whose sum is σ = 229716748800. Its totient is φ = 60973668000.

The previous prime is 122231300047. The next prime is 122231300057. The reversal of 122231300056 is 650003132221.

It is a self number, because there is not a number n which added to its sum of digits gives 122231300056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231300057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6376935 + ... + 6396073.

It is an arithmetic number, because the mean of its divisors is an integer number (7178648400).

Almost surely, 2^122231300056 is an apocalyptic number.

It is an amenable number.

122231300056 is a deficient number, since it is larger than the sum of its proper divisors (107485448744).

122231300056 is a wasteful number, since it uses less digits than its factorization.

122231300056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20959 (or 20955 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 122231300056 its reverse (650003132221), we get a palindrome (772234432277).

The spelling of 122231300056 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred thousand, fifty-six".