12434420401 has 16 divisors (see below), whose sum is σ = 14114679040. Its totient is φ = 10859184000.

The previous prime is 12434420389. The next prime is 12434420407. The reversal of 12434420401 is 10402443421.

It is not a de Polignac number, because 12434420401 - 2¹³ = 12434412209 is a prime.

It is a super-2 number, since 2×12434420401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12434420407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151981 + ... + 219013.

It is an arithmetic number, because the mean of its divisors is an integer number (882167440).

Almost surely, 2^12434420401 is an apocalyptic number.

It is an amenable number.

12434420401 is a deficient number, since it is larger than the sum of its proper divisors (1680258639).

12434420401 is a wasteful number, since it uses less digits than its factorization.

12434420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67816.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12434420401 its reverse (10402443421), we get a palindrome (22836863822).

The spelling of 12434420401 in words is "twelve billion, four hundred thirty-four million, four hundred twenty thousand, four hundred one".