30220122112 has 48 divisors (see below), whose sum is σ = 60511585680. Its totient is φ = 15088533504.

The previous prime is 30220122077. The next prime is 30220122113. The reversal of 30220122112 is 21122102203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478748 + ... + 1499044.

It is an arithmetic number, because the mean of its divisors is an integer number (1260658035).

Almost surely, 2^30220122112 is an apocalyptic number.

30220122112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30255792840).

30220122112 is an abundant number, since it is smaller than the sum of its proper divisors (30291463568).

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

30220122112 is an equidigital number, since it uses as much as digits as its factorization.

30220122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21046 (or 21026 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30220122112 its reverse (21122102203), we get a palindrome (51342224315).

The spelling of 30220122112 in words is "thirty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twelve".