30203122303312 has 360 divisors, whose sum is σ = 73372253149800. Its totient is φ = 11966665310208.

The previous prime is 30203122303307. The next prime is 30203122303331. The reversal of 30203122303312 is 21330322130203.

It can be written as a sum of positive squares in 4 ways, for example, as 15833746138896 + 14369376164416 = 3979164^2 + 3790696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23431436364 + ... + 23431437652.

It is an arithmetic number, because the mean of its divisors is an integer number (203811814305).

Almost surely, 2^{30203122303312} 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 30203122303312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36686126574900).

30203122303312 is an abundant number, since it is smaller than the sum of its proper divisors (43169130846488).

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

30203122303312 is a wasteful number, since it uses less digits than its factorization.

30203122303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30203122303312 its reverse (21330322130203), we get a palindrome (51533444433515).

The spelling of 30203122303312 in words is "thirty trillion, two hundred three billion, one hundred twenty-two million, three hundred three thousand, three hundred twelve".