1214214342251 has 2 divisors, whose sum is σ = 1214214342252. Its totient is φ = 1214214342250.

The previous prime is 1214214342221. The next prime is 1214214342269. The reversal of 1214214342251 is 1522434124121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214214342251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1214214342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607107171125 + 607107171126.

It is an arithmetic number, because the mean of its divisors is an integer number (607107171126).

Almost surely, 2^{1214214342251} is an apocalyptic number.

1214214342251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214214342251 is an equidigital number, since it uses as much as digits as its factorization.

1214214342251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 32.

Adding to 1214214342251 its reverse (1522434124121), we get a palindrome (2736648466372).

The spelling of 1214214342251 in words is "one trillion, two hundred fourteen billion, two hundred fourteen million, three hundred forty-two thousand, two hundred fifty-one".