420001234001 has 4 divisors (see below), whose sum is σ = 420052947312. Its totient is φ = 419949520692.

The previous prime is 420001233989. The next prime is 420001234007. The reversal of 420001234001 is 100432100024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420001234001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420001234007) 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, 25844471 + ... + 25860716.

It is an arithmetic number, because the mean of its divisors is an integer number (105013236828).

Almost surely, 2^420001234001 is an apocalyptic number.

It is an amenable number.

420001234001 is a deficient number, since it is larger than the sum of its proper divisors (51713311).

420001234001 is an equidigital number, since it uses as much as digits as its factorization.

420001234001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51713310.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 420001234001 its reverse (100432100024), we get a palindrome (520433334025).

The spelling of 420001234001 in words is "four hundred twenty billion, one million, two hundred thirty-four thousand, one".