12011331134 has 8 divisors (see below), whose sum is σ = 19654905528. Its totient is φ = 5459695960.

The previous prime is 12011331119. The next prime is 12011331149. The reversal of 12011331134 is 43113311021.

It is an interprime number because it is at equal distance from previous prime (12011331119) and next prime (12011331149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12011331134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272984777 + ... + 272984820.

It is an arithmetic number, because the mean of its divisors is an integer number (2456863191).

Almost surely, 2^12011331134 is an apocalyptic number.

12011331134 is a deficient number, since it is larger than the sum of its proper divisors (7643574394).

12011331134 is a wasteful number, since it uses less digits than its factorization.

12011331134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545969610.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12011331134 its reverse (43113311021), we get a palindrome (55124642155).

The spelling of 12011331134 in words is "twelve billion, eleven million, three hundred thirty-one thousand, one hundred thirty-four".