21030430124412 has 18 divisors (see below), whose sum is σ = 53160253925688. Its totient is φ = 7010143374792.

The previous prime is 21030430124377. The next prime is 21030430124453. The reversal of 21030430124412 is 21442103403012.

21030430124412 is a `hidden beast` number, since 2 + 1 + 0 + 304 + 301 + 2 + 44 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 292089307248 + ... + 292089307319.

It is an arithmetic number, because the mean of its divisors is an integer number (2953347440316).

Almost surely, 2^{21030430124412} is an apocalyptic number.

It is an amenable number.

21030430124412 is an abundant number, since it is smaller than the sum of its proper divisors (32129823801276).

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

21030430124412 is a wasteful number, since it uses less digits than its factorization.

21030430124412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584178614577 (or 584178614572 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 21030430124412 its reverse (21442103403012), we get a palindrome (42472533527424).

The spelling of 21030430124412 in words is "twenty-one trillion, thirty billion, four hundred thirty million, one hundred twenty-four thousand, four hundred twelve".