20122212007 has 2 divisors, whose sum is σ = 20122212008. Its totient is φ = 20122212006.

The previous prime is 20122212001. The next prime is 20122212023. The reversal of 20122212007 is 70021222102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122212007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061106003 + 10061106004.

It is an arithmetic number, because the mean of its divisors is an integer number (10061106004).

Almost surely, 2^20122212007 is an apocalyptic number.

20122212007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122212007 is an equidigital number, since it uses as much as digits as its factorization.

20122212007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20122212007 its reverse (70021222102), we get a palindrome (90143434109).

The spelling of 20122212007 in words is "twenty billion, one hundred twenty-two million, two hundred twelve thousand, seven".