30112123221222 has 32 divisors (see below), whose sum is σ = 68863353963264. Its totient is φ = 8599008309600.

The previous prime is 30112123221101. The next prime is 30112123221247. The reversal of 30112123221222 is 22212232121103.

It is a junction number, because it is equal to n+sod(n) for n = 30112123221192 and 30112123221201.

It is a congruent number.

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, 185562429 + ... + 185724632.

It is an arithmetic number, because the mean of its divisors is an integer number (2151979811352).

Almost surely, 2^{30112123221222} is an apocalyptic number.

30112123221222 is an abundant number, since it is smaller than the sum of its proper divisors (38751230742042).

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

30112123221222 is a wasteful number, since it uses less digits than its factorization.

30112123221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371289004.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 30112123221222 its reverse (22212232121103), we get a palindrome (52324355342325).

The spelling of 30112123221222 in words is "thirty trillion, one hundred twelve billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-two".