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1211202202027 is a prime number
BaseRepresentation
bin10001101000000001010…
…001101110100110101011
311021210022202121221020211
4101220001101232212223
5124321020230431102
62324230230401551
7153335501564116
oct21500121564653
94253282557224
101211202202027
114277390812a4
121768a52002b7
138a2a638aa0c
14428a01d157d
152178d3bb7d7
hex11a0146e9ab

1211202202027 has 2 divisors, whose sum is σ = 1211202202028. Its totient is φ = 1211202202026.

The previous prime is 1211202202003. The next prime is 1211202202037. The reversal of 1211202202027 is 7202022021121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7202022021121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1211202202027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211202201989 and 1211202202007.

It is not a weakly prime, because it can be changed into another prime (1211202202037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605601101013 + 605601101014.

It is an arithmetic number, because the mean of its divisors is an integer number (605601101014).

Almost surely, 21211202202027 is an apocalyptic number.

1211202202027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211202202027 is an equidigital number, since it uses as much as digits as its factorization.

1211202202027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1211202202027 its reverse (7202022021121), we get a palindrome (8413224223148).

The spelling of 1211202202027 in words is "one trillion, two hundred eleven billion, two hundred two million, two hundred two thousand, twenty-seven".