20120210110993 has 2 divisors, whose sum is σ = 20120210110994. Its totient is φ = 20120210110992.

The previous prime is 20120210110969. The next prime is 20120210111059. The reversal of 20120210110993 is 39901101202102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12549221230144 + 7570988880849 = 3542488^2 + 2751543^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120210110993 - 2¹⁷ = 20120209979921 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120210117993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060105055496 + 10060105055497.

It is an arithmetic number, because the mean of its divisors is an integer number (10060105055497).

Almost surely, 2^{20120210110993} is an apocalyptic number.

It is an amenable number.

20120210110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120210110993 is an equidigital number, since it uses as much as digits as its factorization.

20120210110993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 20120210110993 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, one hundred ten thousand, nine hundred ninety-three".