30120133122 has 16 divisors (see below), whose sum is σ = 66933629280. Its totient is φ = 10040044356.

The previous prime is 30120133081. The next prime is 30120133139. The reversal of 30120133122 is 22133102103.

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 = 30120133095 and 30120133104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278890068 + ... + 278890175.

It is an arithmetic number, because the mean of its divisors is an integer number (4183351830).

Almost surely, 2^30120133122 is an apocalyptic number.

30120133122 is an abundant number, since it is smaller than the sum of its proper divisors (36813496158).

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

30120133122 is a wasteful number, since it uses less digits than its factorization.

30120133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557780254 (or 557780248 counting only the distinct ones).

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

Adding to 30120133122 its reverse (22133102103), we get a palindrome (52253235225).

The spelling of 30120133122 in words is "thirty billion, one hundred twenty million, one hundred thirty-three thousand, one hundred twenty-two".