30220233312 has 48 divisors (see below), whose sum is σ = 79420893552. Its totient is φ = 10061629440.

The previous prime is 30220233299. The next prime is 30220233317. The reversal of 30220233312 is 21333202203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220233317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101389 + ... + 265932.

It is an arithmetic number, because the mean of its divisors is an integer number (1654601949).

Almost surely, 2^30220233312 is an apocalyptic number.

30220233312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30220233312 is an abundant number, since it is smaller than the sum of its proper divisors (49200660240).

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

30220233312 is a wasteful number, since it uses less digits than its factorization.

30220233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368191 (or 368183 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30220233312 its reverse (21333202203), we get a palindrome (51553435515).

The spelling of 30220233312 in words is "thirty billion, two hundred twenty million, two hundred thirty-three thousand, three hundred twelve".