1000212421289 has 2 divisors, whose sum is σ = 1000212421290. Its totient is φ = 1000212421288.

The previous prime is 1000212421253. The next prime is 1000212421301. The reversal of 1000212421289 is 9821242120001.

1000212421289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963842880025 + 36369541264 = 981755^2 + 190708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000212421289 - 2³⁶ = 931492944553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000212421189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500106210644 + 500106210645.

It is an arithmetic number, because the mean of its divisors is an integer number (500106210645).

Almost surely, 2^{1000212421289} is an apocalyptic number.

It is an amenable number.

1000212421289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000212421289 is an equidigital number, since it uses as much as digits as its factorization.

1000212421289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 1000212421289 in words is "one trillion, two hundred twelve million, four hundred twenty-one thousand, two hundred eighty-nine".