1233100212 has 48 divisors (see below), whose sum is σ = 2901003840. Its totient is φ = 407651328.

The previous prime is 1233100189. The next prime is 1233100223. The reversal of 1233100212 is 2120013321.

It is a super-2 number, since 2×1233100212² = 3041072265668889888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233100191 and 1233100200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445178 + ... + 1446030.

It is an arithmetic number, because the mean of its divisors is an integer number (60437580).

Almost surely, 2^1233100212 is an apocalyptic number.

1233100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233100212 is an abundant number, since it is smaller than the sum of its proper divisors (1667903628).

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

1233100212 is a wasteful number, since it uses less digits than its factorization.

1233100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1233100212 is about 35115.5266513262. The cubic root of 1233100212 is about 1072.3407028095.

Adding to 1233100212 its reverse (2120013321), we get a palindrome (3353113533).

The spelling of 1233100212 in words is "one billion, two hundred thirty-three million, one hundred thousand, two hundred twelve".