65212412401 has 8 divisors (see below), whose sum is σ = 66296321000. Its totient is φ = 64128983040.

The previous prime is 65212412381. The next prime is 65212412423. The reversal of 65212412401 is 10421421256.

It can be written as a sum of positive squares in 4 ways, for example, as 5148206001 + 60064206400 = 71751^2 + 245080^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65212412401 - 2⁹ = 65212411889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65212412401.

It is not an unprimeable number, because it can be changed into a prime (65212412801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159985 + ... + 394993.

It is an arithmetic number, because the mean of its divisors is an integer number (8287040125).

Almost surely, 2^65212412401 is an apocalyptic number.

65212412401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65212412401 is a deficient number, since it is larger than the sum of its proper divisors (1083908599).

65212412401 is a wasteful number, since it uses less digits than its factorization.

65212412401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239619.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 65212412401 its reverse (10421421256), we get a palindrome (75633833657).

The spelling of 65212412401 in words is "sixty-five billion, two hundred twelve million, four hundred twelve thousand, four hundred one".