30515211104412 has 12 divisors (see below), whose sum is σ = 71202159243656. Its totient is φ = 10171737034800.

The previous prime is 30515211104407. The next prime is 30515211104449. The reversal of 30515211104412 is 21440111251503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30515211104412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271467129339 + ... + 1271467129362.

Almost surely, 2^{30515211104412} is an apocalyptic number.

It is an amenable number.

30515211104412 is an abundant number, since it is smaller than the sum of its proper divisors (40686948139244).

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

30515211104412 is a wasteful number, since it uses less digits than its factorization.

30515211104412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542934258708 (or 2542934258706 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 30515211104412 its reverse (21440111251503), we get a palindrome (51955322355915).

The spelling of 30515211104412 in words is "thirty trillion, five hundred fifteen billion, two hundred eleven million, one hundred four thousand, four hundred twelve".