30243422231220 has 192 divisors, whose sum is σ = 93776492952576. Its totient is φ = 7220940165120.

The previous prime is 30243422231207. The next prime is 30243422231237. The reversal of 30243422231220 is 2213222434203.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243457444 + ... + 243581636.

It is an arithmetic number, because the mean of its divisors is an integer number (488419234128).

Almost surely, 2^{30243422231220} is an apocalyptic number.

30243422231220 is a gapful number since it is divisible by the number (30) 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 30243422231220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46888246476288).

30243422231220 is an abundant number, since it is smaller than the sum of its proper divisors (63533070721356).

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

30243422231220 is a wasteful number, since it uses less digits than its factorization.

30243422231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129790 (or 129788 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 30243422231220 its reverse (2213222434203), we get a palindrome (32456644665423).

The spelling of 30243422231220 in words is "thirty trillion, two hundred forty-three billion, four hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty".