212160506501 has 8 divisors (see below), whose sum is σ = 212344830720. Its totient is φ = 211976262688.

The previous prime is 212160506497. The next prime is 212160506521. The reversal of 212160506501 is 105605061212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212160506501 - 2² = 212160506497 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 (212160506521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6021905 + ... + 6057033.

It is an arithmetic number, because the mean of its divisors is an integer number (26543103840).

Almost surely, 2^212160506501 is an apocalyptic number.

It is an amenable number.

212160506501 is a deficient number, since it is larger than the sum of its proper divisors (184324219).

212160506501 is a wasteful number, since it uses less digits than its factorization.

212160506501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40203.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 212160506501 its reverse (105605061212), we get a palindrome (317765567713).

The spelling of 212160506501 in words is "two hundred twelve billion, one hundred sixty million, five hundred six thousand, five hundred one".