7912212001 has 2 divisors, whose sum is σ = 7912212002. Its totient is φ = 7912212000.

The previous prime is 7912211987. The next prime is 7912212023. The reversal of 7912212001 is 1002122197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6959563776 + 952648225 = 83424^2 + 30865^2 .

It is a cyclic number.

It is not a de Polignac number, because 7912212001 - 2²³ = 7903823393 is a prime.

It is not a weakly prime, because it can be changed into another prime (7912212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956106000 + 3956106001.

It is an arithmetic number, because the mean of its divisors is an integer number (3956106001).

Almost surely, 2^7912212001 is an apocalyptic number.

It is an amenable number.

7912212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7912212001 is an equidigital number, since it uses as much as digits as its factorization.

7912212001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 7912212001 is about 88950.6155178254. The cubic root of 7912212001 is about 1992.6574095885.

Adding to 7912212001 its reverse (1002122197), we get a palindrome (8914334198).

The spelling of 7912212001 in words is "seven billion, nine hundred twelve million, two hundred twelve thousand, one".