12421111014 has 24 divisors (see below), whose sum is σ = 28982592912. Its totient is φ = 3821880240.

The previous prime is 12421110983. The next prime is 12421111019. The reversal of 12421111014 is 41011112421.

It is a super-2 number, since 2×12421111014² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421111019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26540602 + ... + 26541069.

It is an arithmetic number, because the mean of its divisors is an integer number (1207608038).

Almost surely, 2^12421111014 is an apocalyptic number.

12421111014 is an abundant number, since it is smaller than the sum of its proper divisors (16561481898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421111014 is a wasteful number, since it uses less digits than its factorization.

12421111014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53081692 (or 53081689 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12421111014 its reverse (41011112421), we get a palindrome (53432223435).

The spelling of 12421111014 in words is "twelve billion, four hundred twenty-one million, one hundred eleven thousand, fourteen".