212007148487 has 4 divisors (see below), whose sum is σ = 223165419480. Its totient is φ = 200848877496.

The previous prime is 212007148469. The next prime is 212007148511. The reversal of 212007148487 is 784841700212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212007148487 - 2²⁰ = 212006099911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212007148417) 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, 5579135468 + ... + 5579135505.

It is an arithmetic number, because the mean of its divisors is an integer number (55791354870).

Almost surely, 2^212007148487 is an apocalyptic number.

212007148487 is a deficient number, since it is larger than the sum of its proper divisors (11158270993).

212007148487 is a wasteful number, since it uses less digits than its factorization.

212007148487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11158270992.

The product of its (nonzero) digits is 200704, while the sum is 44.

Adding to 212007148487 its reverse (784841700212), we get a palindrome (996848848699).

The spelling of 212007148487 in words is "two hundred twelve billion, seven million, one hundred forty-eight thousand, four hundred eighty-seven".