122015150122 has 4 divisors (see below), whose sum is σ = 183022725186. Its totient is φ = 61007575060.

The previous prime is 122015150119. The next prime is 122015150129. The reversal of 122015150122 is 221051510221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112607896041 + 9407254081 = 335571^2 + 96991^2 .

It is a super-2 number, since 2×122015150122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122015150093 and 122015150102.

It is not an unprimeable number, because it can be changed into a prime (122015150129) 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 as a sum of consecutive naturals, namely, 30503787529 + ... + 30503787532.

Almost surely, 2^122015150122 is an apocalyptic number.

122015150122 is a deficient number, since it is larger than the sum of its proper divisors (61007575064).

122015150122 is an equidigital number, since it uses as much as digits as its factorization.

122015150122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61007575063.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 122015150122 its reverse (221051510221), we get a palindrome (343066660343).

The spelling of 122015150122 in words is "one hundred twenty-two billion, fifteen million, one hundred fifty thousand, one hundred twenty-two".