212020201987 has 8 divisors (see below), whose sum is σ = 231299734320. Its totient is φ = 192741497760.

The previous prime is 212020201961. The next prime is 212020201993. The reversal of 212020201987 is 789102020212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020201987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020201907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407689 + ... + 768277.

It is an arithmetic number, because the mean of its divisors is an integer number (28912466790).

Almost surely, 2^212020201987 is an apocalyptic number.

212020201987 is a deficient number, since it is larger than the sum of its proper divisors (19279532333).

212020201987 is a wasteful number, since it uses less digits than its factorization.

212020201987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414053.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 212020201987 in words is "two hundred twelve billion, twenty million, two hundred one thousand, nine hundred eighty-seven".