120012121012 has 24 divisors (see below), whose sum is σ = 240031757504. Its totient is φ = 51432155712.

The previous prime is 120012120953. The next prime is 120012121013. The reversal of 120012121012 is 210121210021.

It is a junction number, because it is equal to n+sod(n) for n = 120012120983 and 120012121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425928 + ... + 1507744.

Almost surely, 2^120012121012 is an apocalyptic number.

It is an amenable number.

120012121012 is an abundant number, since it is smaller than the sum of its proper divisors (120019636492).

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

120012121012 is a wasteful number, since it uses less digits than its factorization.

120012121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134215 (or 134213 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120012121012 its reverse (210121210021), we get a palindrome (330133331033).

The spelling of 120012121012 in words is "one hundred twenty billion, twelve million, one hundred twenty-one thousand, twelve".