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212255232001 = 1791185783419
BaseRepresentation
bin1100010110101101100…
…1011101000000000001
3202021212102122222022221
43011223121131000001
511434144314411001
6241301514131041
721222611463241
oct3055331350001
9667772588287
10212255232001
11820205aa40a
1235177a20a81
1317028308947
14a3b797bb21
1557c430e1a1
hex316b65d001

212255232001 has 4 divisors (see below), whose sum is σ = 213441015600. Its totient is φ = 211069448404.

The previous prime is 212255231917. The next prime is 212255232017. The reversal of 212255232001 is 100232552212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212255232001 - 213 = 212255223809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212255232401) 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, 592891531 + ... + 592891888.

It is an arithmetic number, because the mean of its divisors is an integer number (53360253900).

Almost surely, 2212255232001 is an apocalyptic number.

It is an amenable number.

212255232001 is a deficient number, since it is larger than the sum of its proper divisors (1185783599).

212255232001 is a wasteful number, since it uses less digits than its factorization.

212255232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185783598.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 212255232001 its reverse (100232552212), we get a palindrome (312487784213).

The spelling of 212255232001 in words is "two hundred twelve billion, two hundred fifty-five million, two hundred thirty-two thousand, one".

Divisors: 1 179 1185783419 212255232001