11412434121 has 16 divisors (see below), whose sum is σ = 16605960960. Its totient is φ = 6914103120.

The previous prime is 11412434107. The next prime is 11412434129. The reversal of 11412434121 is 12143421411.

It is a happy number.

It is not a de Polignac number, because 11412434121 - 2⁶ = 11412434057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11412434091 and 11412434100.

It is not an unprimeable number, because it can be changed into a prime (11412434129) 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, 30810 + ... + 154188.

It is an arithmetic number, because the mean of its divisors is an integer number (1037872560).

Almost surely, 2^11412434121 is an apocalyptic number.

11412434121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11412434121 is a deficient number, since it is larger than the sum of its proper divisors (5193526839).

11412434121 is a wasteful number, since it uses less digits than its factorization.

11412434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126196.

The product of its digits is 768, while the sum is 24.

Adding to 11412434121 its reverse (12143421411), we get a palindrome (23555855532).

The spelling of 11412434121 in words is "eleven billion, four hundred twelve million, four hundred thirty-four thousand, one hundred twenty-one".