30012112122 has 32 divisors (see below), whose sum is σ = 62132961600. Its totient is φ = 9653013888.

The previous prime is 30012112121. The next prime is 30012112129. The reversal of 30012112122 is 22121121003.

It is not an unprimeable number, because it can be changed into a prime (30012112121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228438 + ... + 334974.

It is an arithmetic number, because the mean of its divisors is an integer number (1941655050).

Almost surely, 2^30012112122 is an apocalyptic number.

30012112122 is an abundant number, since it is smaller than the sum of its proper divisors (32120849478).

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

30012112122 is a wasteful number, since it uses less digits than its factorization.

30012112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108190.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30012112122 its reverse (22121121003), we get a palindrome (52133233125).

The spelling of 30012112122 in words is "thirty billion, twelve million, one hundred twelve thousand, one hundred twenty-two".