21030012420132 has 12 divisors (see below), whose sum is σ = 49070028980336. Its totient is φ = 7010004140040.

The previous prime is 21030012420089. The next prime is 21030012420161. The reversal of 21030012420132 is 23102421003012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×21030012420132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21030012420099 and 21030012420108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876250517494 + ... + 876250517517.

Almost surely, 2^{21030012420132} is an apocalyptic number.

It is an amenable number.

21030012420132 is an abundant number, since it is smaller than the sum of its proper divisors (28040016560204).

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

21030012420132 is a wasteful number, since it uses less digits than its factorization.

21030012420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752501035018 (or 1752501035016 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21030012420132 its reverse (23102421003012), we get a palindrome (44132433423144).

The spelling of 21030012420132 in words is "twenty-one trillion, thirty billion, twelve million, four hundred twenty thousand, one hundred thirty-two".