30400124112 has 120 divisors (see below), whose sum is σ = 88067506176. Its totient is φ = 9781648128.

The previous prime is 30400124099. The next prime is 30400124113. The reversal of 30400124112 is 21142100403.

30400124112 is a `hidden beast` number, since 30 + 400 + 124 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400124113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654193 + ... + 699119.

Almost surely, 2^30400124112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30400124112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44033753088).

30400124112 is an abundant number, since it is smaller than the sum of its proper divisors (57667382064).

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

30400124112 is a wasteful number, since it uses less digits than its factorization.

30400124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45105 (or 45096 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30400124112 its reverse (21142100403), we get a palindrome (51542224515).

The spelling of 30400124112 in words is "thirty billion, four hundred million, one hundred twenty-four thousand, one hundred twelve".