12120003012 has 24 divisors (see below), whose sum is σ = 30455392576. Its totient is φ = 3729231648.

The previous prime is 12120002987. The next prime is 12120003023. The reversal of 12120003012 is 21030002121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38846008 + ... + 38846319.

Almost surely, 2^12120003012 is an apocalyptic number.

12120003012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120003012 is an abundant number, since it is smaller than the sum of its proper divisors (18335389564).

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

12120003012 is a wasteful number, since it uses less digits than its factorization.

12120003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77692347 (or 77692345 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12120003012 its reverse (21030002121), we get a palindrome (33150005133).

The spelling of 12120003012 in words is "twelve billion, one hundred twenty million, three thousand, twelve".