30001001021220 has 48 divisors (see below), whose sum is σ = 84011263172928. Its totient is φ = 7999461194880.

The previous prime is 30001001021183. The next prime is 30001001021249. The reversal of 30001001021220 is 2212010010003.

30001001021220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30001001021196 and 30001001021205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24578679 + ... + 25770398.

It is an arithmetic number, because the mean of its divisors is an integer number (1750234649436).

Almost surely, 2^{30001001021220} is an apocalyptic number.

30001001021220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30001001021220 is an abundant number, since it is smaller than the sum of its proper divisors (54010262151708).

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

30001001021220 is a wasteful number, since it uses less digits than its factorization.

30001001021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50359020 (or 50359018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30001001021220 its reverse (2212010010003), we get a palindrome (32213011031223).

The spelling of 30001001021220 in words is "thirty trillion, one billion, one million, twenty-one thousand, two hundred twenty".