30123313221000 has 128 divisors (see below), whose sum is σ = 93997407254400. Its totient is φ = 8031800620800.

The previous prime is 30123313220963. The next prime is 30123313221103. The reversal of 30123313221000 is 12231332103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21703914 + ... + 23050086.

It is an arithmetic number, because the mean of its divisors is an integer number (734354744175).

Almost surely, 2^{30123313221000} is an apocalyptic number.

30123313221000 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 30123313221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46998703627200).

30123313221000 is an abundant number, since it is smaller than the sum of its proper divisors (63874094033400).

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

30123313221000 is a wasteful number, since it uses less digits than its factorization.

30123313221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353656 (or 1353642 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30123313221000 its reverse (12231332103), we get a palindrome (30135544553103).

The spelling of 30123313221000 in words is "thirty trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred twenty-one thousand".