421201404003 has 4 divisors (see below), whose sum is σ = 561601872008. Its totient is φ = 280800936000.

The previous prime is 421201403969. The next prime is 421201404007. The reversal of 421201404003 is 300404102124.

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

It is not a de Polignac number, because 421201404003 - 2¹² = 421201399907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421201404007) 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, 70200233998 + ... + 70200234003.

It is an arithmetic number, because the mean of its divisors is an integer number (140400468002).

Almost surely, 2^421201404003 is an apocalyptic number.

421201404003 is a deficient number, since it is larger than the sum of its proper divisors (140400468005).

421201404003 is a wasteful number, since it uses less digits than its factorization.

421201404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140400468004.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 421201404003 its reverse (300404102124), we get a palindrome (721605506127).

The spelling of 421201404003 in words is "four hundred twenty-one billion, two hundred one million, four hundred four thousand, three".