12010211212 has 6 divisors (see below), whose sum is σ = 21017869628. Its totient is φ = 6005105604.

The previous prime is 12010211179. The next prime is 12010211219. The reversal of 12010211212 is 21211201021.

It is a junction number, because it is equal to n+sod(n) for n = 12010211192 and 12010211201.

It is not an unprimeable number, because it can be changed into a prime (12010211219) by changing a digit.

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 as a sum of consecutive naturals, namely, 1501276398 + ... + 1501276405.

Almost surely, 2^12010211212 is an apocalyptic number.

It is an amenable number.

12010211212 is a deficient number, since it is larger than the sum of its proper divisors (9007658416).

12010211212 is a wasteful number, since it uses less digits than its factorization.

12010211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002552807 (or 3002552805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010211212 its reverse (21211201021), we get a palindrome (33221412233).

The spelling of 12010211212 in words is "twelve billion, ten million, two hundred eleven thousand, two hundred twelve".