1213223300 has 36 divisors (see below), whose sum is σ = 2634998016. Its totient is φ = 484864800.

The previous prime is 1213223293. The next prime is 1213223399. The reversal of 1213223300 is 33223121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125645 + ... + 134955.

Almost surely, 2^1213223300 is an apocalyptic number.

1213223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213223300 is an abundant number, since it is smaller than the sum of its proper divisors (1421774716).

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

1213223300 is a wasteful number, since it uses less digits than its factorization.

1213223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628 (or 10621 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1213223300 is about 34831.3551272413. The cubic root of 1213223300 is about 1066.5476114952.

Adding to 1213223300 its reverse (33223121), we get a palindrome (1246446421).

The spelling of 1213223300 in words is "one billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred".