30455512212420 has 144 divisors (see below), whose sum is σ = 95574170764800. Its totient is φ = 7841981952000.

The previous prime is 30455512212413. The next prime is 30455512212421. The reversal of 30455512212420 is 2421221555403.

30455512212420 is a `hidden beast` number, since 3 + 0 + 4 + 5 + 5 + 5 + 1 + 221 + 2 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30455512212421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3572506 + ... + 8583345.

It is an arithmetic number, because the mean of its divisors is an integer number (663709519200).

Almost surely, 2^{30455512212420} is an apocalyptic number.

30455512212420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30455512212420 is an abundant number, since it is smaller than the sum of its proper divisors (65118658552380).

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

30455512212420 is a wasteful number, since it uses less digits than its factorization.

30455512212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156346 (or 12156341 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 30455512212420 its reverse (2421221555403), we get a palindrome (32876733767823).

The spelling of 30455512212420 in words is "thirty trillion, four hundred fifty-five billion, five hundred twelve million, two hundred twelve thousand, four hundred twenty".