30122023200 has 144 divisors (see below), whose sum is σ = 98119032480. Its totient is φ = 8026654720.

The previous prime is 30122023171. The next prime is 30122023219. The reversal of 30122023200 is 232022103.

It is a super-2 number, since 2×30122023200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30122023200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3997036 + ... + 4004564.

It is an arithmetic number, because the mean of its divisors is an integer number (681382170).

Almost surely, 2^30122023200 is an apocalyptic number.

30122023200 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 30122023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49059516240).

30122023200 is an abundant number, since it is smaller than the sum of its proper divisors (67997009280).

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

30122023200 is a wasteful number, since it uses less digits than its factorization.

30122023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219 (or 9206 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30122023200 its reverse (232022103), we get a palindrome (30354045303).

The spelling of 30122023200 in words is "thirty billion, one hundred twenty-two million, twenty-three thousand, two hundred".