20121122010007 has 2 divisors, whose sum is σ = 20121122010008. Its totient is φ = 20121122010006.

The previous prime is 20121122009993. The next prime is 20121122010029. The reversal of 20121122010007 is 70001022112102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20121122010007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121122010607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060561005003 + 10060561005004.

It is an arithmetic number, because the mean of its divisors is an integer number (10060561005004).

Almost surely, 2^{20121122010007} is an apocalyptic number.

20121122010007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121122010007 is an equidigital number, since it uses as much as digits as its factorization.

20121122010007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 20121122010007 its reverse (70001022112102), we get a palindrome (90122144122109).

The spelling of 20121122010007 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, ten thousand, seven".