1000212421349 has 2 divisors, whose sum is σ = 1000212421350. Its totient is φ = 1000212421348.

The previous prime is 1000212421301. The next prime is 1000212421391. The reversal of 1000212421349 is 9431242120001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841222821124 + 158989600225 = 917182^2 + 398735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000212421349 - 2²⁸ = 999943985893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000212420349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500106210674 + 500106210675.

It is an arithmetic number, because the mean of its divisors is an integer number (500106210675).

Almost surely, 2^{1000212421349} is an apocalyptic number.

It is an amenable number.

1000212421349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000212421349 is an equidigital number, since it uses as much as digits as its factorization.

1000212421349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1000212421349 in words is "one trillion, two hundred twelve million, four hundred twenty-one thousand, three hundred forty-nine".