11434411212 has 24 divisors (see below), whose sum is σ = 30491763456. Its totient is φ = 3266974608.

The previous prime is 11434411211. The next prime is 11434411213. The reversal of 11434411212 is 21211443411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11434411211) and next prime (11434411213).

It is a super-2 number, since 2×11434411212² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11434411211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68061888 + ... + 68062055.

It is an arithmetic number, because the mean of its divisors is an integer number (1270490144).

Almost surely, 2^11434411212 is an apocalyptic number.

11434411212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11434411212 is an abundant number, since it is smaller than the sum of its proper divisors (19057352244).

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

11434411212 is a wasteful number, since it uses less digits than its factorization.

11434411212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136123957 (or 136123955 counting only the distinct ones).

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

Adding to 11434411212 its reverse (21211443411), we get a palindrome (32645854623).

The spelling of 11434411212 in words is "eleven billion, four hundred thirty-four million, four hundred eleven thousand, two hundred twelve".