21230130224132 has 24 divisors (see below), whose sum is σ = 37240675834656. Its totient is φ = 10589942383488.

The previous prime is 21230130224123. The next prime is 21230130224137. The reversal of 21230130224132 is 23142203103212.

It is not an unprimeable number, because it can be changed into a prime (21230130224137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15627308 + ... + 16931420.

It is an arithmetic number, because the mean of its divisors is an integer number (1551694826444).

Almost surely, 2^{21230130224132} is an apocalyptic number.

It is an amenable number.

21230130224132 is a deficient number, since it is larger than the sum of its proper divisors (16010545610524).

21230130224132 is a wasteful number, since it uses less digits than its factorization.

21230130224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313747 (or 1313745 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21230130224132 its reverse (23142203103212), we get a palindrome (44372333327344).

The spelling of 21230130224132 in words is "twenty-one trillion, two hundred thirty billion, one hundred thirty million, two hundred twenty-four thousand, one hundred thirty-two".