12011411234 has 16 divisors (see below), whose sum is σ = 19306794528. Its totient is φ = 5584325952.

The previous prime is 12011411213. The next prime is 12011411239. The reversal of 12011411234 is 43211411021.

It is a super-2 number, since 2×12011411234² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011411239) 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, 2125352 + ... + 2130995.

It is an arithmetic number, because the mean of its divisors is an integer number (1206674658).

Almost surely, 2^12011411234 is an apocalyptic number.

12011411234 is a deficient number, since it is larger than the sum of its proper divisors (7295383294).

12011411234 is a wasteful number, since it uses less digits than its factorization.

12011411234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256449.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12011411234 its reverse (43211411021), we get a palindrome (55222822255).

The spelling of 12011411234 in words is "twelve billion, eleven million, four hundred eleven thousand, two hundred thirty-four".