30212221003212 has 48 divisors (see below), whose sum is σ = 70517347891200. Its totient is φ = 10067574377280.

The previous prime is 30212221003177. The next prime is 30212221003229. The reversal of 30212221003212 is 21230012221203.

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, 546710839 + ... + 546766097.

It is an arithmetic number, because the mean of its divisors is an integer number (1469111414400).

Almost surely, 2^{30212221003212} is an apocalyptic number.

It is an amenable number.

30212221003212 is an abundant number, since it is smaller than the sum of its proper divisors (40305126887988).

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

30212221003212 is a wasteful number, since it uses less digits than its factorization.

30212221003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68766 (or 68764 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30212221003212 its reverse (21230012221203), we get a palindrome (51442233224415).

The spelling of 30212221003212 in words is "thirty trillion, two hundred twelve billion, two hundred twenty-one million, three thousand, two hundred twelve".