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1212212010201 = 3974165677011
BaseRepresentation
bin10001101000111101011…
…101110101110011011001
311021212221010202111122120
4101220331131311303121
5124330102233311301
62324514342211453
7153402513035223
oct21507535656331
94255833674576
101212212010201
11428107094105
12176b27423b89
138a40765034a
1442958373413
15217ebd88e36
hex11a3d775cd9

1212212010201 has 8 divisors (see below), whose sum is σ = 1632945388704. Its totient is φ = 799809985920.

The previous prime is 1212212010173. The next prime is 1212212010203. The reversal of 1212212010201 is 1020102122121.

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

It is not a de Polignac number, because 1212212010201 - 225 = 1212178455769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212212010203) 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, 2082838215 + ... + 2082838796.

It is an arithmetic number, because the mean of its divisors is an integer number (204118173588).

Almost surely, 21212212010201 is an apocalyptic number.

It is an amenable number.

1212212010201 is a deficient number, since it is larger than the sum of its proper divisors (420733378503).

1212212010201 is an equidigital number, since it uses as much as digits as its factorization.

1212212010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165677111.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212212010201 its reverse (1020102122121), we get a palindrome (2232314132322).

The spelling of 1212212010201 in words is "one trillion, two hundred twelve billion, two hundred twelve million, ten thousand, two hundred one".

Divisors: 1 3 97 291 4165677011 12497031033 404070670067 1212212010201