12030220312013 has 4 divisors (see below), whose sum is σ = 12031279974588. Its totient is φ = 12029160649440.

The previous prime is 12030220311997. The next prime is 12030220312021. The reversal of 12030220312013 is 31021302203021.

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 5160720845284 + 6869499466729 = 2271722^2 + 2620973^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030220312013 - 2⁴ = 12030220311997 is a prime.

It is a super-2 number, since 2×12030220312013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030220312093) 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, 529814258 + ... + 529836963.

It is an arithmetic number, because the mean of its divisors is an integer number (3007819993647).

Almost surely, 2^{12030220312013} is an apocalyptic number.

It is an amenable number.

12030220312013 is a deficient number, since it is larger than the sum of its proper divisors (1059662575).

12030220312013 is a wasteful number, since it uses less digits than its factorization.

12030220312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059662574.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12030220312013 its reverse (31021302203021), we get a palindrome (43051522515034).

The spelling of 12030220312013 in words is "twelve trillion, thirty billion, two hundred twenty million, three hundred twelve thousand, thirteen".