1230030512213 has 4 divisors (see below), whose sum is σ = 1238285750700. Its totient is φ = 1221775273728.

The previous prime is 1230030512173. The next prime is 1230030512231. The reversal of 1230030512213 is 3122150300321.

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 141645344164 + 1088385168049 = 376358^2 + 1043257^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230030512213 - 2⁶ = 1230030512149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230030512273) 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, 4127619020 + ... + 4127619317.

It is an arithmetic number, because the mean of its divisors is an integer number (309571437675).

Almost surely, 2^{1230030512213} is an apocalyptic number.

It is an amenable number.

1230030512213 is a deficient number, since it is larger than the sum of its proper divisors (8255238487).

1230030512213 is an equidigital number, since it uses as much as digits as its factorization.

1230030512213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255238486.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1230030512213 its reverse (3122150300321), we get a palindrome (4352180812534).

The spelling of 1230030512213 in words is "one trillion, two hundred thirty billion, thirty million, five hundred twelve thousand, two hundred thirteen".