20121332207 has 2 divisors, whose sum is σ = 20121332208. Its totient is φ = 20121332206.

The previous prime is 20121332201. The next prime is 20121332227. The reversal of 20121332207 is 70223312102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20121332207 - 2⁴ = 20121332191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121332201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060666103 + 10060666104.

It is an arithmetic number, because the mean of its divisors is an integer number (10060666104).

Almost surely, 2^20121332207 is an apocalyptic number.

20121332207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121332207 is an equidigital number, since it uses as much as digits as its factorization.

20121332207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 20121332207 its reverse (70223312102), we get a palindrome (90344644309).

The spelling of 20121332207 in words is "twenty billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred seven".