1215414312971 has 2 divisors, whose sum is σ = 1215414312972. Its totient is φ = 1215414312970.

The previous prime is 1215414312929. The next prime is 1215414313031. The reversal of 1215414312971 is 1792134145121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1215414312971 - 2¹⁴ = 1215414296587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215414314971) 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, 607707156485 + 607707156486.

It is an arithmetic number, because the mean of its divisors is an integer number (607707156486).

Almost surely, 2^{1215414312971} is an apocalyptic number.

1215414312971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215414312971 is an equidigital number, since it uses as much as digits as its factorization.

1215414312971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The spelling of 1215414312971 in words is "one trillion, two hundred fifteen billion, four hundred fourteen million, three hundred twelve thousand, nine hundred seventy-one".