30078218486212 has 48 divisors (see below), whose sum is σ = 56864754342144. Its totient is φ = 13838500800000.

The previous prime is 30078218486161. The next prime is 30078218486221. The reversal of 30078218486212 is 21268481287003.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 30078218486212.

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, 26358087 + ... + 27475537.

It is an arithmetic number, because the mean of its divisors is an integer number (1184682382128).

Almost surely, 2^{30078218486212} is an apocalyptic number.

It is an amenable number.

30078218486212 is a deficient number, since it is larger than the sum of its proper divisors (26786535855932).

30078218486212 is a wasteful number, since it uses less digits than its factorization.

30078218486212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119100 (or 1119098 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 30078218486212 in words is "thirty trillion, seventy-eight billion, two hundred eighteen million, four hundred eighty-six thousand, two hundred twelve".