612445212401 has 12 divisors (see below), whose sum is σ = 676202370816. Its totient is φ = 554271631320.

The previous prime is 612445212377. The next prime is 612445212437. The reversal of 612445212401 is 104212544216.

It is a de Polignac number, because none of the positive numbers 2^k-612445212401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612445217401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11321741 + ... + 11375706.

It is an arithmetic number, because the mean of its divisors is an integer number (56350197568).

Almost surely, 2^612445212401 is an apocalyptic number.

It is an amenable number.

612445212401 is a deficient number, since it is larger than the sum of its proper divisors (63757158415).

612445212401 is a wasteful number, since it uses less digits than its factorization.

612445212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22697692 (or 22697681 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 612445212401 its reverse (104212544216), we get a palindrome (716657756617).

The spelling of 612445212401 in words is "six hundred twelve billion, four hundred forty-five million, two hundred twelve thousand, four hundred one".