1215412119967 has 2 divisors, whose sum is σ = 1215412119968. Its totient is φ = 1215412119966.

The previous prime is 1215412119959. The next prime is 1215412119989. The reversal of 1215412119967 is 7699112145121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1215412119967 - 2³ = 1215412119959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1215412119967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1215412179967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607706059983 + 607706059984.

It is an arithmetic number, because the mean of its divisors is an integer number (607706059984).

Almost surely, 2^{1215412119967} is an apocalyptic number.

1215412119967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215412119967 is an equidigital number, since it uses as much as digits as its factorization.

1215412119967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 49.

The spelling of 1215412119967 in words is "one trillion, two hundred fifteen billion, four hundred twelve million, one hundred nineteen thousand, nine hundred sixty-seven".