30500172126 has 12 divisors (see below), whose sum is σ = 66083706312. Its totient is φ = 10166724036.

The previous prime is 30500172091. The next prime is 30500172127. The reversal of 30500172126 is 62127100503.

It is a happy number.

30500172126 is a `hidden beast` number, since 30 + 500 + 1 + 7 + 2 + 126 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30500172126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500172127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847226986 + ... + 847227021.

It is an arithmetic number, because the mean of its divisors is an integer number (5506975526).

Almost surely, 2^30500172126 is an apocalyptic number.

30500172126 is an abundant number, since it is smaller than the sum of its proper divisors (35583534186).

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

30500172126 is a wasteful number, since it uses less digits than its factorization.

30500172126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694454015 (or 1694454012 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 30500172126 its reverse (62127100503), we get a palindrome (92627272629).

The spelling of 30500172126 in words is "thirty billion, five hundred million, one hundred seventy-two thousand, one hundred twenty-six".