30210221133312 has 160 divisors (see below), whose sum is σ = 87816495634560. Its totient is φ = 9152731422720.

The previous prime is 30210221133311. The next prime is 30210221133319. The reversal of 30210221133312 is 21333112201203.

It is a super-2 number, since 2×30210221133312² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210221133311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83166739 + ... + 83529197.

It is an arithmetic number, because the mean of its divisors is an integer number (548853097716).

Almost surely, 2^{30210221133312} is an apocalyptic number.

30210221133312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30210221133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43908247817280).

30210221133312 is an abundant number, since it is smaller than the sum of its proper divisors (57606274501248).

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

30210221133312 is a wasteful number, since it uses less digits than its factorization.

30210221133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367424 (or 367408 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30210221133312 its reverse (21333112201203), we get a palindrome (51543333334515).

The spelling of 30210221133312 in words is "thirty trillion, two hundred ten billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred twelve".