30132121213 has 4 divisors (see below), whose sum is σ = 30175728448. Its totient is φ = 30088513980.

The previous prime is 30132121207. The next prime is 30132121231. The reversal of 30132121213 is 31212123103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30132121213 - 2²¹ = 30130024061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132121273) by changing a digit.

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, 21802581 + ... + 21803962.

It is an arithmetic number, because the mean of its divisors is an integer number (7543932112).

Almost surely, 2^30132121213 is an apocalyptic number.

It is an amenable number.

30132121213 is a deficient number, since it is larger than the sum of its proper divisors (43607235).

30132121213 is an equidigital number, since it uses as much as digits as its factorization.

30132121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43607234.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30132121213 its reverse (31212123103), we get a palindrome (61344244316).

The spelling of 30132121213 in words is "thirty billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred thirteen".