43020012401 has 16 divisors (see below), whose sum is σ = 45888326400. Its totient is φ = 40212806400.

The previous prime is 43020012361. The next prime is 43020012419. The reversal of 43020012401 is 10421002034.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43020012401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43020012401.

It is not an unprimeable number, because it can be changed into a prime (43020012481) 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, 2424281 + ... + 2441961.

It is an arithmetic number, because the mean of its divisors is an integer number (2868020400).

Almost surely, 2^43020012401 is an apocalyptic number.

It is an amenable number.

43020012401 is a deficient number, since it is larger than the sum of its proper divisors (2868313999).

43020012401 is a wasteful number, since it uses less digits than its factorization.

43020012401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19400.

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

Adding to 43020012401 its reverse (10421002034), we get a palindrome (53441014435).

The spelling of 43020012401 in words is "forty-three billion, twenty million, twelve thousand, four hundred one".