65012421007 has 2 divisors, whose sum is σ = 65012421008. Its totient is φ = 65012421006.

The previous prime is 65012420999. The next prime is 65012421079. The reversal of 65012421007 is 70012421056.

65012421007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65012421007 - 2³ = 65012420999 is a prime.

It is a super-2 number, since 2×65012421007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65012421407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32506210503 + 32506210504.

It is an arithmetic number, because the mean of its divisors is an integer number (32506210504).

Almost surely, 2^65012421007 is an apocalyptic number.

65012421007 is a deficient number, since it is larger than the sum of its proper divisors (1).

65012421007 is an equidigital number, since it uses as much as digits as its factorization.

65012421007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 65012421007 in words is "sixty-five billion, twelve million, four hundred twenty-one thousand, seven".