4012421111023 has 16 divisors (see below), whose sum is σ = 4423348320160. Its totient is φ = 3616174969344.

The previous prime is 4012421110979. The next prime is 4012421111059. The reversal of 4012421111023 is 3201111242104.

It is a cyclic number.

It is not a de Polignac number, because 4012421111023 - 2¹⁷ = 4012420979951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012421110985 and 4012421111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012421111623) 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, 68838 + ... + 2833651.

It is an arithmetic number, because the mean of its divisors is an integer number (276459270010).

Almost surely, 2^{4012421111023} is an apocalyptic number.

4012421111023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4012421111023 is a deficient number, since it is larger than the sum of its proper divisors (410927209137).

4012421111023 is a wasteful number, since it uses less digits than its factorization.

4012421111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905018.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 4012421111023 its reverse (3201111242104), we get a palindrome (7213532353127).

The spelling of 4012421111023 in words is "four trillion, twelve billion, four hundred twenty-one million, one hundred eleven thousand, twenty-three".