1232211000 has 256 divisors, whose sum is σ = 4187064960. Its totient is φ = 300441600.

The previous prime is 1232210999. The next prime is 1232211059. The reversal of 1232211000 is 1122321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1886674 + ... + 1887326.

Almost surely, 2^1232211000 is an apocalyptic number.

1232211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093532480).

1232211000 is an abundant number, since it is smaller than the sum of its proper divisors (2954853960).

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

1232211000 is a wasteful number, since it uses less digits than its factorization.

1232211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1232211000 is about 35102.8631310895. The cubic root of 1232211000 is about 1072.0828790716.

Adding to 1232211000 its reverse (1122321), we get a palindrome (1233333321).

The spelling of 1232211000 in words is "one billion, two hundred thirty-two million, two hundred eleven thousand".