30220121200 has 60 divisors (see below), whose sum is σ = 72623162088. Its totient is φ = 12084832000.

The previous prime is 30220121171. The next prime is 30220121233. The reversal of 30220121200 is 212102203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1993650 + ... + 2008750.

Almost surely, 2^30220121200 is an apocalyptic number.

It is an amenable number.

30220121200 is an abundant number, since it is smaller than the sum of its proper divisors (42403040888).

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

30220121200 is a wasteful number, since it uses less digits than its factorization.

30220121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20122 (or 20111 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30220121200 its reverse (212102203), we get a palindrome (30432223403).

The spelling of 30220121200 in words is "thirty billion, two hundred twenty million, one hundred twenty-one thousand, two hundred".