424212123001 has 4 divisors (see below), whose sum is σ = 424744384932. Its totient is φ = 423679861072.

The previous prime is 424212122897. The next prime is 424212123019. The reversal of 424212123001 is 100321212424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232998324601 + 191213798400 = 482699^2 + 437280^2 .

It is a cyclic number.

It is not a de Polignac number, because 424212123001 - 2²¹ = 424210025849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424212123031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266129770 + ... + 266131363.

It is an arithmetic number, because the mean of its divisors is an integer number (106186096233).

Almost surely, 2^424212123001 is an apocalyptic number.

It is an amenable number.

424212123001 is a deficient number, since it is larger than the sum of its proper divisors (532261931).

424212123001 is an equidigital number, since it uses as much as digits as its factorization.

424212123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532261930.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 424212123001 its reverse (100321212424), we get a palindrome (524533335425).

The spelling of 424212123001 in words is "four hundred twenty-four billion, two hundred twelve million, one hundred twenty-three thousand, one".