10001133212 has 12 divisors (see below), whose sum is σ = 20002266480. Its totient is φ = 4286199936.

The previous prime is 10001133211. The next prime is 10001133251. The reversal of 10001133212 is 21233110001.

10001133212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001133211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178591637 + ... + 178591692.

It is an arithmetic number, because the mean of its divisors is an integer number (1666855540).

Almost surely, 2^10001133212 is an apocalyptic number.

It is an amenable number.

10001133212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10001133212 is a wasteful number, since it uses less digits than its factorization.

10001133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357183340 (or 357183338 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10001133212 its reverse (21233110001), we get a palindrome (31234243213).

The spelling of 10001133212 in words is "ten billion, one million, one hundred thirty-three thousand, two hundred twelve".