12120011000012 has 12 divisors (see below), whose sum is σ = 21404606583360. Its totient is φ = 6004409119056.

The previous prime is 12120011000003. The next prime is 12120011000017. The reversal of 12120011000012 is 21000011002121.

It is a junction number, because it is equal to n+sod(n) for n = 12120010999957 and 12120011000002.

It is not an unprimeable number, because it can be changed into a prime (12120011000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13899094748 + ... + 13899095619.

It is an arithmetic number, because the mean of its divisors is an integer number (1783717215280).

Almost surely, 2^{12120011000012} is an apocalyptic number.

It is an amenable number.

12120011000012 is a deficient number, since it is larger than the sum of its proper divisors (9284595583348).

12120011000012 is a wasteful number, since it uses less digits than its factorization.

12120011000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27798190480 (or 27798190478 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120011000012 its reverse (21000011002121), we get a palindrome (33120022002133).

The spelling of 12120011000012 in words is "twelve trillion, one hundred twenty billion, eleven million, twelve", and thus it is an aban number.