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1212202010231 is a prime number
BaseRepresentation
bin10001101000111100110…
…111101100011001110111
311021212220102221110021022
4101220330313230121313
5124330042203311411
62324513344011355
7153402332035622
oct21507467543167
94255812843238
101212202010231
11428101483a73
12176b24000b5b
138a40555b7c4
1442956cccdb9
15217eb060edb
hex11a3cdec677

1212202010231 has 2 divisors, whose sum is σ = 1212202010232. Its totient is φ = 1212202010230.

The previous prime is 1212202010209. The next prime is 1212202010233. The reversal of 1212202010231 is 1320102022121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212202010231 - 230 = 1211128268407 is a prime.

It is a super-2 number, since 2×12122020102312 (a number of 25 digits) contains 22 as substring.

Together with 1212202010233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212202010233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606101005115 + 606101005116.

It is an arithmetic number, because the mean of its divisors is an integer number (606101005116).

Almost surely, 21212202010231 is an apocalyptic number.

1212202010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212202010231 is an equidigital number, since it uses as much as digits as its factorization.

1212202010231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212202010231 its reverse (1320102022121), we get a palindrome (2532304032352).

The spelling of 1212202010231 in words is "one trillion, two hundred twelve billion, two hundred two million, ten thousand, two hundred thirty-one".