122130032111028 has 18 divisors (see below), whose sum is σ = 308717581169634. Its totient is φ = 40710010703664.

The previous prime is 122130032111027. The next prime is 122130032111033. The reversal of 122130032111028 is 820111230031221.

It is a happy number.

122130032111028 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 300 + 321 + 1 + 10 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121611225951504 + 518806159524 = 11027748^2 + 720282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 122130032110992 and 122130032111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130032111027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1696250445951 + ... + 1696250446022.

Almost surely, 2^{122130032111028} is an apocalyptic number.

122130032111028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122130032111028 is an abundant number, since it is smaller than the sum of its proper divisors (186587549058606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122130032111028 is a wasteful number, since it uses less digits than its factorization.

122130032111028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392500891983 (or 3392500891978 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 122130032111028 its reverse (820111230031221), we get a palindrome (942241262142249).

The spelling of 122130032111028 in words is "one hundred twenty-two trillion, one hundred thirty billion, thirty-two million, one hundred eleven thousand, twenty-eight".