30001312122 has 64 divisors (see below), whose sum is σ = 65820294144. Its totient is φ = 9075409920.

The previous prime is 30001312093. The next prime is 30001312123. The reversal of 30001312122 is 22121310003.

It is not an unprimeable number, because it can be changed into a prime (30001312123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858748 + ... + 893000.

It is an arithmetic number, because the mean of its divisors is an integer number (1028442096).

Almost surely, 2^30001312122 is an apocalyptic number.

30001312122 is an abundant number, since it is smaller than the sum of its proper divisors (35818982022).

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

30001312122 is a wasteful number, since it uses less digits than its factorization.

30001312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34583.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30001312122 its reverse (22121310003), we get a palindrome (52122622125).

The spelling of 30001312122 in words is "thirty billion, one million, three hundred twelve thousand, one hundred twenty-two".