120310111212 has 12 divisors (see below), whose sum is σ = 280723592856. Its totient is φ = 40103370400.

The previous prime is 120310111169. The next prime is 120310111219. The reversal of 120310111212 is 212111013021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 120310111191 and 120310111200.

It is not an unprimeable number, because it can be changed into a prime (120310111219) by changing a digit.

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, 5012921289 + ... + 5012921312.

It is an arithmetic number, because the mean of its divisors is an integer number (23393632738).

Almost surely, 2^120310111212 is an apocalyptic number.

120310111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120310111212 is an abundant number, since it is smaller than the sum of its proper divisors (160413481644).

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

120310111212 is a wasteful number, since it uses less digits than its factorization.

120310111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025842608 (or 10025842606 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120310111212 its reverse (212111013021), we get a palindrome (332421124233).

The spelling of 120310111212 in words is "one hundred twenty billion, three hundred ten million, one hundred eleven thousand, two hundred twelve".