102012222001122 has 40 divisors (see below), whose sum is σ = 228591474163932. Its totient is φ = 34002804736800.

The previous prime is 102012222001069. The next prime is 102012222001139. The reversal of 102012222001122 is 221100222210201.

It is a happy number.

102012222001122 is a `hidden beast` number, since 10 + 201 + 222 + 200 + 11 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99430194017961 + 2582027983161 = 9971469^2 + 1606869^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102012222001095 and 102012222001104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7394029 + ... + 16084032.

Almost surely, 2^{102012222001122} is an apocalyptic number.

102012222001122 is an abundant number, since it is smaller than the sum of its proper divisors (126579252162810).

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

102012222001122 is a wasteful number, since it uses less digits than its factorization.

102012222001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23504896 (or 23504887 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102012222001122 its reverse (221100222210201), we get a palindrome (323112444211323).

The spelling of 102012222001122 in words is "one hundred two trillion, twelve billion, two hundred twenty-two million, one thousand, one hundred twenty-two".