201212501 has 8 divisors (see below), whose sum is σ = 232728384. Its totient is φ = 170389440.

The previous prime is 201212491. The next prime is 201212513. The reversal of 201212501 is 105212102.

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-201212501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212551) 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, 172580 + ... + 173741.

It is an arithmetic number, because the mean of its divisors is an integer number (29091048).

Almost surely, 2^201212501 is an apocalyptic number.

It is an amenable number.

201212501 is a deficient number, since it is larger than the sum of its proper divisors (31515883).

201212501 is an equidigital number, since it uses as much as digits as its factorization.

201212501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346411.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 201212501 is about 14184.9392314525. The cubic root of 201212501 is about 585.9829589254.

Adding to 201212501 its reverse (105212102), we get a palindrome (306424603).

It can be divided in two parts, 20121 and 2501, that added together give a palindrome (22622).

The spelling of 201212501 in words is "two hundred one million, two hundred twelve thousand, five hundred one".