30001211331312 has 160 divisors (see below), whose sum is σ = 89619323996160. Its totient is φ = 8565765304320.

The previous prime is 30001211331263. The next prime is 30001211331331. The reversal of 30001211331312 is 21313311210003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19163512 + ... + 20669847.

It is an arithmetic number, because the mean of its divisors is an integer number (560120774976).

Almost surely, 2^{30001211331312} is an apocalyptic number.

It is an amenable number.

30001211331312 is an abundant number, since it is smaller than the sum of its proper divisors (59618112664848).

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

30001211331312 is a wasteful number, since it uses less digits than its factorization.

30001211331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39833471 (or 39833465 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30001211331312 its reverse (21313311210003), we get a palindrome (51314522541315).

The spelling of 30001211331312 in words is "thirty trillion, one billion, two hundred eleven million, three hundred thirty-one thousand, three hundred twelve".