4100012421 has 4 divisors (see below), whose sum is σ = 5466683232. Its totient is φ = 2733341612.

The previous prime is 4100012419. The next prime is 4100012447. The reversal of 4100012421 is 1242100014.

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 not a de Polignac number, because 4100012421 - 2¹ = 4100012419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4100012421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100014421) 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, 683335401 + ... + 683335406.

It is an arithmetic number, because the mean of its divisors is an integer number (1366670808).

Almost surely, 2^4100012421 is an apocalyptic number.

It is an amenable number.

4100012421 is a deficient number, since it is larger than the sum of its proper divisors (1366670811).

4100012421 is a wasteful number, since it uses less digits than its factorization.

4100012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366670810.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4100012421 is about 64031.3393659698. The cubic root of 4100012421 is about 1600.5222801471.

Adding to 4100012421 its reverse (1242100014), we get a palindrome (5342112435).

The spelling of 4100012421 in words is "four billion, one hundred million, twelve thousand, four hundred twenty-one".