121966970472859 has 2 divisors, whose sum is σ = 121966970472860. Its totient is φ = 121966970472858.

The previous prime is 121966970472833. The next prime is 121966970472869. The reversal of 121966970472859 is 958274079669121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121966970472859 - 2⁷ = 121966970472731 is a prime.

It is not a weakly prime, because it can be changed into another prime (121966970472829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60983485236429 + 60983485236430.

It is an arithmetic number, because the mean of its divisors is an integer number (60983485236430).

Almost surely, 2^{121966970472859} is an apocalyptic number.

121966970472859 is a deficient number, since it is larger than the sum of its proper divisors (1).

121966970472859 is an equidigital number, since it uses as much as digits as its factorization.

121966970472859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823011840, while the sum is 76.

The spelling of 121966970472859 in words is "one hundred twenty-one trillion, nine hundred sixty-six billion, nine hundred seventy million, four hundred seventy-two thousand, eight hundred fifty-nine".