1230442213 has 16 divisors (see below), whose sum is σ = 1652063616. Its totient is φ = 885032640.

The previous prime is 1230442211. The next prime is 1230442217. The reversal of 1230442213 is 3122440321.

It is a cyclic number.

It is not a de Polignac number, because 1230442213 - 2¹ = 1230442211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230442211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613606 + ... + 615607.

It is an arithmetic number, because the mean of its divisors is an integer number (103253976).

Almost surely, 2^1230442213 is an apocalyptic number.

1230442213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230442213 is a deficient number, since it is larger than the sum of its proper divisors (421621403).

1230442213 is a wasteful number, since it uses less digits than its factorization.

1230442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229244.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1230442213 is about 35077.6597423488. The cubic root of 1230442213 is about 1071.5696568150.

Adding to 1230442213 its reverse (3122440321), we get a palindrome (4352882534).

The spelling of 1230442213 in words is "one billion, two hundred thirty million, four hundred forty-two thousand, two hundred thirteen".