120112210121212 has 6 divisors (see below), whose sum is σ = 210196367712128. Its totient is φ = 60056105060604.

The previous prime is 120112210121207. The next prime is 120112210121213. The reversal of 120112210121212 is 212121012211021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120112210121212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112210121213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15014026265148 + ... + 15014026265155.

Almost surely, 2^{120112210121212} is an apocalyptic number.

It is an amenable number.

120112210121212 is a deficient number, since it is larger than the sum of its proper divisors (90084157590916).

120112210121212 is a wasteful number, since it uses less digits than its factorization.

120112210121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30028052530307 (or 30028052530305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120112210121212 its reverse (212121012211021), we get a palindrome (332233222332233).

The spelling of 120112210121212 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".