1233213000 has 64 divisors (see below), whose sum is σ = 3847633920. Its totient is φ = 328856000.

The previous prime is 1233212999. The next prime is 1233213013. The reversal of 1233213000 is 3123321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202536 + ... + 208535.

It is an arithmetic number, because the mean of its divisors is an integer number (60119280).

Almost surely, 2^1233213000 is an apocalyptic number.

1233213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233213000 is an abundant number, since it is smaller than the sum of its proper divisors (2614420920).

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

1233213000 is a wasteful number, since it uses less digits than its factorization.

1233213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411095 (or 411081 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1233213000 is about 35117.1325708692. The cubic root of 1233213000 is about 1072.3733964151.

Adding to 1233213000 its reverse (3123321), we get a palindrome (1236336321).

It can be divided in two parts, 123 and 3213000, that added together give a palindrome (3213123).

The spelling of 1233213000 in words is "one billion, two hundred thirty-three million, two hundred thirteen thousand".