120112212121002 has 64 divisors (see below), whose sum is σ = 268487004240000. Its totient is φ = 39801805916544.

The previous prime is 120112212120997. The next prime is 120112212121003. The reversal of 120112212121002 is 200121212211021.

120112212121002 is a `hidden beast` number, since 120 + 11 + 221 + 212 + 100 + 2 = 666.

120112212121002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120112212121003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89192374 + ... + 90529022.

It is an arithmetic number, because the mean of its divisors is an integer number (4195109441250).

Almost surely, 2^{120112212121002} is an apocalyptic number.

120112212121002 is an abundant number, since it is smaller than the sum of its proper divisors (148374792118998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120112212121002 is a wasteful number, since it uses less digits than its factorization.

120112212121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346452 (or 1346446 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120112212121002 its reverse (200121212211021), we get a palindrome (320233424332023).

The spelling of 120112212121002 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty-one thousand, two".