30103320011212 has 72 divisors (see below), whose sum is σ = 65733298515360. Its totient is φ = 11800938401280.

The previous prime is 30103320011189. The next prime is 30103320011213. The reversal of 30103320011212 is 21211002330103.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 30103320011212.

It is not an unprimeable number, because it can be changed into a prime (30103320011213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51054589 + ... + 51640852.

It is an arithmetic number, because the mean of its divisors is an integer number (912962479380).

Almost surely, 2^{30103320011212} is an apocalyptic number.

It is an amenable number.

30103320011212 is an abundant number, since it is smaller than the sum of its proper divisors (35629978504148).

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

30103320011212 is a wasteful number, since it uses less digits than its factorization.

30103320011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102695519 (or 102695498 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30103320011212 its reverse (21211002330103), we get a palindrome (51314322341315).

The spelling of 30103320011212 in words is "thirty trillion, one hundred three billion, three hundred twenty million, eleven thousand, two hundred twelve".