1230213513005 has 32 divisors (see below), whose sum is σ = 1605609742176. Its totient is φ = 901092777984.

The previous prime is 1230213512993. The next prime is 1230213513019. The reversal of 1230213513005 is 5003153120321.

It can be written as a sum of positive squares in 16 ways, for example, as 595277057764 + 634936455241 = 771542^2 + 796829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230213513005 - 2³⁴ = 1213033643821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20843897 + ... + 20902833.

It is an arithmetic number, because the mean of its divisors is an integer number (50175304443).

Almost surely, 2^{1230213513005} is an apocalyptic number.

It is an amenable number.

1230213513005 is a deficient number, since it is larger than the sum of its proper divisors (375396229171).

1230213513005 is a wasteful number, since it uses less digits than its factorization.

1230213513005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65633.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1230213513005 its reverse (5003153120321), we get a palindrome (6233366633326).

The spelling of 1230213513005 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, five hundred thirteen thousand, five".