120012311031212 has 48 divisors (see below), whose sum is σ = 218731692114432. Its totient is φ = 57570010829760.

The previous prime is 120012311031211. The next prime is 120012311031233. The reversal of 120012311031212 is 212130113210021.

It is a super-3 number, since 3×120012311031212³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120012311031211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5826887 + ... + 16552257.

It is an arithmetic number, because the mean of its divisors is an integer number (4556910252384).

Almost surely, 2^{120012311031212} is an apocalyptic number.

It is an amenable number.

120012311031212 is a deficient number, since it is larger than the sum of its proper divisors (98719381083220).

120012311031212 is a wasteful number, since it uses less digits than its factorization.

120012311031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726598 (or 10726596 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120012311031212 its reverse (212130113210021), we get a palindrome (332142424241233).

The spelling of 120012311031212 in words is "one hundred twenty trillion, twelve billion, three hundred eleven million, thirty-one thousand, two hundred twelve".