30013122 has 16 divisors (see below), whose sum is σ = 63185760. Its totient is φ = 9477792.

The previous prime is 30013121. The next prime is 30013129. The reversal of 30013122 is 22131003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30013098 and 30013107.

It is not an unprimeable number, because it can be changed into a prime (30013121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131523 + ... + 131750.

It is an arithmetic number, because the mean of its divisors is an integer number (3949110).

Almost surely, 2^30013122 is an apocalyptic number.

30013122 is an abundant number, since it is smaller than the sum of its proper divisors (33172638).

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

30013122 is a wasteful number, since it uses less digits than its factorization.

30013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263297.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30013122 is about 5478.4233133266. The cubic root of 30013122 is about 310.7685474417.

Adding to 30013122 its reverse (22131003), we get a palindrome (52144125).

It can be divided in two parts, 30013 and 122, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 30013122 in words is "thirty million, thirteen thousand, one hundred twenty-two".