30203222112 has 144 divisors (see below), whose sum is σ = 102475361520. Its totient is φ = 8629479936.

The previous prime is 30203222107. The next prime is 30203222113. The reversal of 30203222112 is 21122230203.

It is a tau number, because it is divible by the number of its divisors (144).

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 (30203222113) 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, 314373 + ... + 399044.

It is an arithmetic number, because the mean of its divisors is an integer number (711634455).

Almost surely, 2^30203222112 is an apocalyptic number.

30203222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30203222112 is an abundant number, since it is smaller than the sum of its proper divisors (72272139408).

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

30203222112 is a wasteful number, since it uses less digits than its factorization.

30203222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713450 (or 713429 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30203222112 its reverse (21122230203), we get a palindrome (51325452315).

The spelling of 30203222112 in words is "thirty billion, two hundred three million, two hundred twenty-two thousand, one hundred twelve".