30011233122 has 96 divisors (see below), whose sum is σ = 72366630336. Its totient is φ = 8929872000.

The previous prime is 30011233069. The next prime is 30011233123. The reversal of 30011233122 is 22133211003.

30011233122 is a `hidden beast` number, since 300 + 1 + 12 + 331 + 22 = 666.

It is a super-2 number, since 2×30011233122² (a number of 22 digits) contains 22 as substring.

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 = 30011233095 and 30011233104.

It is not an unprimeable number, because it can be changed into a prime (30011233123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1001497 + ... + 1031027.

It is an arithmetic number, because the mean of its divisors is an integer number (753819066).

Almost surely, 2^30011233122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30011233122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36183315168).

30011233122 is an abundant number, since it is smaller than the sum of its proper divisors (42355397214).

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

30011233122 is a wasteful number, since it uses less digits than its factorization.

30011233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29696 (or 29693 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30011233122 its reverse (22133211003), we get a palindrome (52144444125).

The spelling of 30011233122 in words is "thirty billion, eleven million, two hundred thirty-three thousand, one hundred twenty-two".