12210001100993 has 4 divisors (see below), whose sum is σ = 12227419077588. Its totient is φ = 12192583124400.

The previous prime is 12210001100989. The next prime is 12210001101017. The reversal of 12210001100993 is 39900110001221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8452230481984 + 3757770619009 = 2907272^2 + 1938497^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210001100993 - 2² = 12210001100989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210001100923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8708987246 + ... + 8708988647.

It is an arithmetic number, because the mean of its divisors is an integer number (3056854769397).

Almost surely, 2^{12210001100993} is an apocalyptic number.

It is an amenable number.

12210001100993 is a deficient number, since it is larger than the sum of its proper divisors (17417976595).

12210001100993 is an equidigital number, since it uses as much as digits as its factorization.

12210001100993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17417976594.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 12210001100993 in words is "twelve trillion, two hundred ten billion, one million, one hundred thousand, nine hundred ninety-three".