12101012212 has 12 divisors (see below), whose sum is σ = 21177765280. Its totient is φ = 6050222136.

The previous prime is 12101012197. The next prime is 12101012221. The reversal of 12101012212 is 21221010121.

12101012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12101012192 and 12101012201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46489 + ... + 162367.

Almost surely, 2^12101012212 is an apocalyptic number.

It is an amenable number.

12101012212 is a deficient number, since it is larger than the sum of its proper divisors (9076753068).

12101012212 is a wasteful number, since it uses less digits than its factorization.

12101012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141990 (or 141988 counting only the distinct ones).

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

Adding to 12101012212 its reverse (21221010121), we get a palindrome (33322022333).

The spelling of 12101012212 in words is "twelve billion, one hundred one million, twelve thousand, two hundred twelve".