1302212001971 has 2 divisors, whose sum is σ = 1302212001972. Its totient is φ = 1302212001970.

The previous prime is 1302212001947. The next prime is 1302212002019. The reversal of 1302212001971 is 1791002122031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1302212001971 - 2¹⁴ = 1302211985587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302212001911) 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, 651106000985 + 651106000986.

It is an arithmetic number, because the mean of its divisors is an integer number (651106000986).

Almost surely, 2^{1302212001971} is an apocalyptic number.

1302212001971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302212001971 is an equidigital number, since it uses as much as digits as its factorization.

1302212001971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 1302212001971 in words is "one trillion, three hundred two billion, two hundred twelve million, one thousand, nine hundred seventy-one".