12120010012 has 36 divisors (see below), whose sum is σ = 23462131000. Its totient is φ = 5473971360.

The previous prime is 12120010003. The next prime is 12120010033. The reversal of 12120010012 is 21001002121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3762 + ... + 155737.

Almost surely, 2^12120010012 is an apocalyptic number.

It is an amenable number.

12120010012 is a deficient number, since it is larger than the sum of its proper divisors (11342120988).

12120010012 is a wasteful number, since it uses less digits than its factorization.

12120010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159682 (or 159669 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12120010012 its reverse (21001002121), we get a palindrome (33121012133).

The spelling of 12120010012 in words is "twelve billion, one hundred twenty million, ten thousand, twelve".