1212000100093 has 2 divisors, whose sum is σ = 1212000100094. Its totient is φ = 1212000100092.

The previous prime is 1212000100067. The next prime is 1212000100099. The reversal of 1212000100093 is 3900010002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1189763922169 + 22236177924 = 1090763^2 + 149118^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212000100093 - 2³³ = 1203410165501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212000100093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212000100099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000050046 + 606000050047.

It is an arithmetic number, because the mean of its divisors is an integer number (606000050047).

Almost surely, 2^{1212000100093} is an apocalyptic number.

It is an amenable number.

1212000100093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212000100093 is an equidigital number, since it uses as much as digits as its factorization.

1212000100093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 1212000100093 in words is "one trillion, two hundred twelve billion, one hundred thousand, ninety-three".