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201212013001 = 1399143825599
BaseRepresentation
bin1011101101100100101…
…0111010100111001001
3201020100210220022202211
42323121022322213021
511244040233404001
6232234023425121
720352135614416
oct2733112724711
9636323808684
10201212013001
1178373a3253a
1232bb55b51a1
1315c8845b52c
149a4b05b10d
155379a84351
hex2ed92ba9c9

201212013001 has 4 divisors (see below), whose sum is σ = 201355840000. Its totient is φ = 201068186004.

The previous prime is 201212012983. The next prime is 201212013017. The reversal of 201212013001 is 100310212102.

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 201212013001 - 27 = 201212012873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212013061) 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, 71911401 + ... + 71914198.

It is an arithmetic number, because the mean of its divisors is an integer number (50338960000).

Almost surely, 2201212013001 is an apocalyptic number.

It is an amenable number.

201212013001 is a deficient number, since it is larger than the sum of its proper divisors (143826999).

201212013001 is a wasteful number, since it uses less digits than its factorization.

201212013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143826998.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201212013001 its reverse (100310212102), we get a palindrome (301522225103).

The spelling of 201212013001 in words is "two hundred one billion, two hundred twelve million, thirteen thousand, one".

Divisors: 1 1399 143825599 201212013001