12011018274 has 24 divisors (see below), whose sum is σ = 26353292160. Its totient is φ = 3952992888.

The previous prime is 12011018251. The next prime is 12011018287. The reversal of 12011018274 is 47281011021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4221862 + ... + 4224705.

It is an arithmetic number, because the mean of its divisors is an integer number (1098053840).

Almost surely, 2^12011018274 is an apocalyptic number.

12011018274 is an abundant number, since it is smaller than the sum of its proper divisors (14342273886).

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

12011018274 is a wasteful number, since it uses less digits than its factorization.

12011018274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446654 (or 8446651 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Adding to 12011018274 its reverse (47281011021), we get a palindrome (59292029295).

It can be divided in two parts, 120110 and 18274, that added together give a square (138384 = 372²).

The spelling of 12011018274 in words is "twelve billion, eleven million, eighteen thousand, two hundred seventy-four".