10133311212 has 72 divisors (see below), whose sum is σ = 26948830272. Its totient is φ = 3206304000.

The previous prime is 10133311189. The next prime is 10133311213. The reversal of 10133311212 is 21211333101.

10133311212 is a `hidden beast` number, since 10 + 133 + 311 + 212 = 666.

It is a super-2 number, since 2×10133311212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10133311213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38164 + ... + 147387.

Almost surely, 2^10133311212 is an apocalyptic number.

10133311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10133311212 is an abundant number, since it is smaller than the sum of its proper divisors (16815519060).

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

10133311212 is a wasteful number, since it uses less digits than its factorization.

10133311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185639 (or 185634 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10133311212 its reverse (21211333101), we get a palindrome (31344644313).

The spelling of 10133311212 in words is "ten billion, one hundred thirty-three million, three hundred eleven thousand, two hundred twelve".