12120202012 has 12 divisors (see below), whose sum is σ = 21408581880. Its totient is φ = 6003464336.

The previous prime is 12120202007. The next prime is 12120202019. The reversal of 12120202012 is 21020202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12120201983 and 12120202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120202019) 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, 14158687 + ... + 14159542.

It is an arithmetic number, because the mean of its divisors is an integer number (1784048490).

Almost surely, 2^12120202012 is an apocalyptic number.

It is an amenable number.

12120202012 is a deficient number, since it is larger than the sum of its proper divisors (9288379868).

12120202012 is a wasteful number, since it uses less digits than its factorization.

12120202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28318340 (or 28318338 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120202012 its reverse (21020202121), we get a palindrome (33140404133).

The spelling of 12120202012 in words is "twelve billion, one hundred twenty million, two hundred two thousand, twelve".