30212130013 has 4 divisors (see below), whose sum is σ = 32536140028. Its totient is φ = 27888120000.

The previous prime is 30212129953. The next prime is 30212130041. The reversal of 30212130013 is 31003121203.

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 8885324644 + 21326805369 = 94262^2 + 146037^2 .

It is not a de Polignac number, because 30212130013 - 2²¹ = 30210032861 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 (30212130043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162004988 + ... + 1162005013.

It is an arithmetic number, because the mean of its divisors is an integer number (8134035007).

Almost surely, 2^30212130013 is an apocalyptic number.

It is an amenable number.

30212130013 is a deficient number, since it is larger than the sum of its proper divisors (2324010015).

30212130013 is a wasteful number, since it uses less digits than its factorization.

30212130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324010014.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30212130013 its reverse (31003121203), we get a palindrome (61215251216).

The spelling of 30212130013 in words is "thirty billion, two hundred twelve million, one hundred thirty thousand, thirteen".