12120002020002 has 32 divisors (see below), whose sum is σ = 26395648689600. Its totient is φ = 3695390814528.

The previous prime is 12120002019971. The next prime is 12120002020037. The reversal of 12120002020002 is 20002020002121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120002020002.

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, 1833027853 + ... + 1833034464.

It is an arithmetic number, because the mean of its divisors is an integer number (824864021550).

Almost surely, 2^{12120002020002} is an apocalyptic number.

12120002020002 is an abundant number, since it is smaller than the sum of its proper divisors (14275646669598).

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

12120002020002 is a wasteful number, since it uses less digits than its factorization.

12120002020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666062370.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12120002020002 its reverse (20002020002121), we get a palindrome (32122022022123).

It can be divided in two parts, 121 and 20002020002, that multiplied together give a palindrome (2420244420242).

The spelling of 12120002020002 in words is "twelve trillion, one hundred twenty billion, two million, twenty thousand, two".