30001203122220 has 72 divisors (see below), whose sum is σ = 99276708520080. Its totient is φ = 7273018938240.

The previous prime is 30001203122201. The next prime is 30001203122269. The reversal of 30001203122220 is 2222130210003.

30001203122220 is a `hidden beast` number, since 300 + 0 + 1 + 20 + 3 + 122 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30001203122193 and 30001203122202.

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, 7576059415 + ... + 7576063374.

It is an arithmetic number, because the mean of its divisors is an integer number (1378843173890).

Almost surely, 2^{30001203122220} is an apocalyptic number.

30001203122220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30001203122220 is an abundant number, since it is smaller than the sum of its proper divisors (69275505397860).

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

30001203122220 is a wasteful number, since it uses less digits than its factorization.

30001203122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15152122815 (or 15152122810 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30001203122220 its reverse (2222130210003), we get a palindrome (32223333332223).

The spelling of 30001203122220 in words is "thirty trillion, one billion, two hundred three million, one hundred twenty-two thousand, two hundred twenty".