30203126712 has 384 divisors, whose sum is σ = 98718048000. Its totient is φ = 8238827520.

The previous prime is 30203126641. The next prime is 30203126713. The reversal of 30203126712 is 21762130203.

It is a super-2 number, since 2×30203126712² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203126713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29237748 + ... + 29238780.

It is an arithmetic number, because the mean of its divisors is an integer number (257078250).

Almost surely, 2^30203126712 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 30203126712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49359024000).

30203126712 is an abundant number, since it is smaller than the sum of its proper divisors (68514921288).

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

30203126712 is a wasteful number, since it uses less digits than its factorization.

30203126712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 30203126712 its reverse (21762130203), we get a palindrome (51965256915).

The spelling of 30203126712 in words is "thirty billion, two hundred three million, one hundred twenty-six thousand, seven hundred twelve".