12111020012002 has 8 divisors (see below), whose sum is σ = 18179761289436. Its totient is φ = 6051099582192.

The previous prime is 12111020011969. The next prime is 12111020012009. The reversal of 12111020012002 is 20021002011121.

It can be written as a sum of positive squares in 2 ways, for example, as 11690443118641 + 420576893361 = 3419129^2 + 648519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12111020012002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111020012009) 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, 2205208473 + ... + 2205213964.

Almost surely, 2^{12111020012002} is an apocalyptic number.

12111020012002 is a deficient number, since it is larger than the sum of its proper divisors (6068741277434).

12111020012002 is a wasteful number, since it uses less digits than its factorization.

12111020012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410423812.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111020012002 its reverse (20021002011121), we get a palindrome (32132022023123).

The spelling of 12111020012002 in words is "twelve trillion, one hundred eleven billion, twenty million, twelve thousand, two".