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1202212202131 is a prime number
BaseRepresentation
bin10001011111101001011…
…011100110011010010011
311020221010020100121210201
4101133221123212122103
5124144112310432011
62320142203440031
7152566640052643
oct21375133463223
94227106317721
101202212202131
114239454a0316
12174bb6526017
13894a29cc355
144228a260523
1521414017cc1
hex117e96e6693

1202212202131 has 2 divisors, whose sum is σ = 1202212202132. Its totient is φ = 1202212202130.

The previous prime is 1202212202039. The next prime is 1202212202179. The reversal of 1202212202131 is 1312022122021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202212202131 - 27 = 1202212202003 is a prime.

It is a super-2 number, since 2×12022122021312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202212202099 and 1202212202108.

It is not a weakly prime, because it can be changed into another prime (1202212202431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601106101065 + 601106101066.

It is an arithmetic number, because the mean of its divisors is an integer number (601106101066).

Almost surely, 21202212202131 is an apocalyptic number.

1202212202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202212202131 is an equidigital number, since it uses as much as digits as its factorization.

1202212202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1202212202131 its reverse (1312022122021), we get a palindrome (2514234324152).

It can be divided in two parts, 12022 and 12202131, that added together give a triangular number (12214153 = T4942).

The spelling of 1202212202131 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred two thousand, one hundred thirty-one".