1230213135 has 32 divisors (see below), whose sum is σ = 1997130240. Its totient is φ = 646558848.

The previous prime is 1230213079. The next prime is 1230213137. The reversal of 1230213135 is 5313120321.

It is not a de Polignac number, because 1230213135 - 2¹⁶ = 1230147599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230213137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605301 + ... + 607329.

It is an arithmetic number, because the mean of its divisors is an integer number (62410320).

Almost surely, 2^1230213135 is an apocalyptic number.

1230213135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1230213135 is a deficient number, since it is larger than the sum of its proper divisors (766917105).

1230213135 is a wasteful number, since it uses less digits than its factorization.

1230213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1230213135 is about 35074.3942927030. The cubic root of 1230213135 is about 1071.5031527385.

Adding to 1230213135 its reverse (5313120321), we get a palindrome (6543333456).

The spelling of 1230213135 in words is "one billion, two hundred thirty million, two hundred thirteen thousand, one hundred thirty-five".