122555232230155 has 16 divisors (see below), whose sum is σ = 152138457583200. Its totient is φ = 94662774420480.

The previous prime is 122555232230143. The next prime is 122555232230269. The reversal of 122555232230155 is 551032232555221.

It is a de Polignac number, because none of the positive numbers 2^k-122555232230155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22089211 + ... + 27074779.

It is an arithmetic number, because the mean of its divisors is an integer number (9508653598950).

Almost surely, 2^{122555232230155} is an apocalyptic number.

122555232230155 is a deficient number, since it is larger than the sum of its proper divisors (29583225353045).

122555232230155 is a wasteful number, since it uses less digits than its factorization.

122555232230155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155134.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 122555232230155 its reverse (551032232555221), we get a palindrome (673587464785376).

The spelling of 122555232230155 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-two million, two hundred thirty thousand, one hundred fifty-five".