12020002211987 has 16 divisors (see below), whose sum is σ = 14992512536832. Its totient is φ = 9362150644320.

The previous prime is 12020002211977. The next prime is 12020002211993. The reversal of 12020002211987 is 78911220002021.

It is a cyclic number.

It is not a de Polignac number, because 12020002211987 - 2¹⁴ = 12020002195603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020002211977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33862673 + ... + 34215794.

It is an arithmetic number, because the mean of its divisors is an integer number (937032033552).

Almost surely, 2^{12020002211987} is an apocalyptic number.

12020002211987 is a deficient number, since it is larger than the sum of its proper divisors (2972510324845).

12020002211987 is a wasteful number, since it uses less digits than its factorization.

12020002211987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68080778.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 12020002211987 in words is "twelve trillion, twenty billion, two million, two hundred eleven thousand, nine hundred eighty-seven".