12120002106 has 16 divisors (see below), whose sum is σ = 24241529664. Its totient is φ = 4039746464.

The previous prime is 12120002101. The next prime is 12120002107. The reversal of 12120002106 is 60120002121.

It is not an unprimeable number, because it can be changed into a prime (12120002101) 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, 57451 + ... + 165953.

It is an arithmetic number, because the mean of its divisors is an integer number (1515095604).

Almost surely, 2^12120002106 is an apocalyptic number.

12120002106 is an abundant number, since it is smaller than the sum of its proper divisors (12121527558).

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

12120002106 is a wasteful number, since it uses less digits than its factorization.

12120002106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127125.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12120002106 its sum of digits (15), we get a palindrome (12120002121).

Adding to 12120002106 its reverse (60120002121), we get a palindrome (72240004227).

The spelling of 12120002106 in words is "twelve billion, one hundred twenty million, two thousand, one hundred six".