30423220440012 has 72 divisors (see below), whose sum is σ = 78208318078800. Its totient is φ = 9968969783808.

The previous prime is 30423220440007. The next prime is 30423220440023. The reversal of 30423220440012 is 21004402232403.

30423220440012 is a `hidden beast` number, since 3 + 0 + 4 + 23 + 220 + 4 + 400 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115433088 + ... + 115696344.

Almost surely, 2^{30423220440012} is an apocalyptic number.

It is an amenable number.

30423220440012 is an abundant number, since it is smaller than the sum of its proper divisors (47785097638788).

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

30423220440012 is a wasteful number, since it uses less digits than its factorization.

30423220440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317735 (or 317730 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30423220440012 its reverse (21004402232403), we get a palindrome (51427622672415).

The spelling of 30423220440012 in words is "thirty trillion, four hundred twenty-three billion, two hundred twenty million, four hundred forty thousand, twelve".