20121201010093 has 2 divisors, whose sum is σ = 20121201010094. Its totient is φ = 20121201010092.

The previous prime is 20121201010091. The next prime is 20121201010111. The reversal of 20121201010093 is 39001010212102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15390219303369 + 4730981706724 = 3923037^2 + 2175082^2 .

It is a cyclic number.

It is not a de Polignac number, because 20121201010093 - 2¹ = 20121201010091 is a prime.

Together with 20121201010091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121201010091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060600505046 + 10060600505047.

It is an arithmetic number, because the mean of its divisors is an integer number (10060600505047).

Almost surely, 2^{20121201010093} is an apocalyptic number.

It is an amenable number.

20121201010093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121201010093 is an equidigital number, since it uses as much as digits as its factorization.

20121201010093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 20121201010093 its reverse (39001010212102), we get a palindrome (59122211222195).

The spelling of 20121201010093 in words is "twenty trillion, one hundred twenty-one billion, two hundred one million, ten thousand, ninety-three".