12101210999993 has 2 divisors, whose sum is σ = 12101210999994. Its totient is φ = 12101210999992.

The previous prime is 12101210999951. The next prime is 12101211000023. The reversal of 12101210999993 is 39999901210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8165260530064 + 3935950469929 = 2857492^2 + 1983923^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101210999993 - 2⁴² = 7703164488889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101210999093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050605499996 + 6050605499997.

It is an arithmetic number, because the mean of its divisors is an integer number (6050605499997).

Almost surely, 2^{12101210999993} is an apocalyptic number.

It is an amenable number.

12101210999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101210999993 is an equidigital number, since it uses as much as digits as its factorization.

12101210999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708588, while the sum is 56.

The spelling of 12101210999993 in words is "twelve trillion, one hundred one billion, two hundred ten million, nine hundred ninety-nine thousand, nine hundred ninety-three".