420103212444005 has 16 divisors (see below), whose sum is σ = 517916435186160. Its totient is φ = 326893397548032.

The previous prime is 420103212443983. The next prime is 420103212444017. The reversal of 420103212444005 is 500444212301024.

It can be written as a sum of positive squares in 8 ways, for example, as 92536723399201 + 327566489044804 = 9619601^2 + 18098798^2 .

It is a cyclic number.

It is not a de Polignac number, because 420103212444005 - 2²⁶ = 420103145335141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366995414 + ... + 368138343.

It is an arithmetic number, because the mean of its divisors is an integer number (32369777199135).

Almost surely, 2^{420103212444005} is an apocalyptic number.

It is an amenable number.

420103212444005 is a deficient number, since it is larger than the sum of its proper divisors (97813222742155).

420103212444005 is a wasteful number, since it uses less digits than its factorization.

420103212444005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735136888.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 420103212444005 its reverse (500444212301024), we get a palindrome (920547424745029).

The spelling of 420103212444005 in words is "four hundred twenty trillion, one hundred three billion, two hundred twelve million, four hundred forty-four thousand, five".