1213033230 has 48 divisors (see below), whose sum is σ = 3185136864. Its totient is φ = 320270400.

The previous prime is 1213033223. The next prime is 1213033277. The reversal of 1213033230 is 323303121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57634 + ... + 75813.

It is an arithmetic number, because the mean of its divisors is an integer number (66357018).

Almost surely, 2^1213033230 is an apocalyptic number.

1213033230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213033230 is an abundant number, since it is smaller than the sum of its proper divisors (1972103634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213033230 is a wasteful number, since it uses less digits than its factorization.

1213033230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133561 (or 133558 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1213033230 is about 34828.6265879090. The cubic root of 1213033230 is about 1066.4919115836.

Adding to 1213033230 its reverse (323303121), we get a palindrome (1536336351).

The spelling of 1213033230 in words is "one billion, two hundred thirteen million, thirty-three thousand, two hundred thirty".