30199912134 has 256 divisors, whose sum is σ = 77856768000. Its totient is φ = 7620117120.

The previous prime is 30199912097. The next prime is 30199912153. The reversal of 30199912134 is 43121999103.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60520617 + ... + 60521115.

It is an arithmetic number, because the mean of its divisors is an integer number (304128000).

Almost surely, 2^30199912134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30199912134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38928384000).

30199912134 is an abundant number, since it is smaller than the sum of its proper divisors (47656855866).

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

30199912134 is a wasteful number, since it uses less digits than its factorization.

30199912134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 30199912134 in words is "thirty billion, one hundred ninety-nine million, nine hundred twelve thousand, one hundred thirty-four".