12120002211112 has 64 divisors (see below), whose sum is σ = 24913083070800. Its totient is φ = 5502078812160.

The previous prime is 12120002211089. The next prime is 12120002211139. The reversal of 12120002211112 is 21111220002121.

It can be written as a sum of positive squares in 8 ways, for example, as 9561045304836 + 2558956906276 = 3092094^2 + 1599674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3214812 + ... + 5880052.

Almost surely, 2^{12120002211112} is an apocalyptic number.

It is an amenable number.

12120002211112 is an abundant number, since it is smaller than the sum of its proper divisors (12793080859688).

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

12120002211112 is a wasteful number, since it uses less digits than its factorization.

12120002211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666446 (or 2666442 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120002211112 its reverse (21111220002121), we get a palindrome (33231222213233).

The spelling of 12120002211112 in words is "twelve trillion, one hundred twenty billion, two million, two hundred eleven thousand, one hundred twelve".