1212211010027 has 2 divisors, whose sum is σ = 1212211010028. Its totient is φ = 1212211010026.

The previous prime is 1212211009957. The next prime is 1212211010069. The reversal of 1212211010027 is 7200101122121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212211010027 - 2⁸ = 1212211009771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212211009990 and 1212211010008.

It is not a weakly prime, because it can be changed into another prime (1212211015027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105505013 + 606105505014.

It is an arithmetic number, because the mean of its divisors is an integer number (606105505014).

Almost surely, 2^{1212211010027} is an apocalyptic number.

1212211010027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212211010027 is an equidigital number, since it uses as much as digits as its factorization.

1212211010027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1212211010027 its reverse (7200101122121), we get a palindrome (8412312132148).

The spelling of 1212211010027 in words is "one trillion, two hundred twelve billion, two hundred eleven million, ten thousand, twenty-seven".