122131335345 has 16 divisors (see below), whose sum is σ = 201713690112. Its totient is φ = 63035527680.

The previous prime is 122131335341. The next prime is 122131335367. The reversal of 122131335345 is 543533131221.

It is not a de Polignac number, because 122131335345 - 2² = 122131335341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122131335341) 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, 131323552 + ... + 131324481.

It is an arithmetic number, because the mean of its divisors is an integer number (12607105632).

Almost surely, 2^122131335345 is an apocalyptic number.

122131335345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122131335345 is a deficient number, since it is larger than the sum of its proper divisors (79582354767).

122131335345 is a wasteful number, since it uses less digits than its factorization.

122131335345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262648072.

The product of its digits is 32400, while the sum is 33.

Adding to 122131335345 its reverse (543533131221), we get a palindrome (665664466566).

The spelling of 122131335345 in words is "one hundred twenty-two billion, one hundred thirty-one million, three hundred thirty-five thousand, three hundred forty-five".