30132020212405 has 4 divisors (see below), whose sum is σ = 36158424254892. Its totient is φ = 24105616169920.

The previous prime is 30132020212361. The next prime is 30132020212423. The reversal of 30132020212405 is 50421202023103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23872126299921 + 6259893912484 = 4885911^2 + 2501978^2 .

It is not a de Polignac number, because 30132020212405 - 2²⁷ = 30131885994677 is a prime.

It is a super-2 number, since 2×30132020212405² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30132020212405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3013202021236 + ... + 3013202021245.

It is an arithmetic number, because the mean of its divisors is an integer number (9039606063723).

Almost surely, 2^{30132020212405} is an apocalyptic number.

It is an amenable number.

30132020212405 is a deficient number, since it is larger than the sum of its proper divisors (6026404042487).

30132020212405 is an equidigital number, since it uses as much as digits as its factorization.

30132020212405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026404042486.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 30132020212405 its reverse (50421202023103), we get a palindrome (80553222235508).

The spelling of 30132020212405 in words is "thirty trillion, one hundred thirty-two billion, twenty million, two hundred twelve thousand, four hundred five".