12120210011012 has 12 divisors (see below), whose sum is σ = 21211824077136. Its totient is φ = 6059688846120.

The previous prime is 12120210011011. The next prime is 12120210011081. The reversal of 12120210011012 is 21011001202121.

It is a super-2 number, since 2×12120210011012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12120210011011) 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, 103974314 + ... + 104090817.

It is an arithmetic number, because the mean of its divisors is an integer number (1767652006428).

Almost surely, 2^{12120210011012} is an apocalyptic number.

It is an amenable number.

12120210011012 is a deficient number, since it is larger than the sum of its proper divisors (9091614066124).

12120210011012 is a wasteful number, since it uses less digits than its factorization.

12120210011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208079698 (or 208079696 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120210011012 its reverse (21011001202121), we get a palindrome (33131211213133).

The spelling of 12120210011012 in words is "twelve trillion, one hundred twenty billion, two hundred ten million, eleven thousand, twelve".