121467799999999 has 2 divisors, whose sum is σ = 121467800000000. Its totient is φ = 121467799999998.

The previous prime is 121467799999991. The next prime is 121467800000017. The reversal of 121467799999999 is 999999997764121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121467799999999 - 2³ = 121467799999991 is a prime.

121467799999999 is a modest number, since divided by 99999999 gives 1214677 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121467799999991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60733899999999 + 60733900000000.

It is an arithmetic number, because the mean of its divisors is an integer number (60733900000000).

Almost surely, 2^{121467799999999} is an apocalyptic number.

121467799999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

121467799999999 is an equidigital number, since it uses as much as digits as its factorization.

121467799999999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101245887792, while the sum is 100.

The spelling of 121467799999999 in words is "one hundred twenty-one trillion, four hundred sixty-seven billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".