30211232001220 has 24 divisors (see below), whose sum is σ = 66202004038464. Its totient is φ = 11559080069856.

The previous prime is 30211232001187. The next prime is 30211232001239. The reversal of 30211232001220 is 2210023211203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32838295194 + ... + 32838296113.

It is an arithmetic number, because the mean of its divisors is an integer number (2758416834936).

Almost surely, 2^{30211232001220} is an apocalyptic number.

It is an amenable number.

30211232001220 is an abundant number, since it is smaller than the sum of its proper divisors (35990772037244).

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

30211232001220 is a wasteful number, since it uses less digits than its factorization.

30211232001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65676591339 (or 65676591337 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30211232001220 its reverse (2210023211203), we get a palindrome (32421255212423).

The spelling of 30211232001220 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-two million, one thousand, two hundred twenty".