12011023230 has 16 divisors (see below), whose sum is σ = 28826455824. Its totient is φ = 3202939520.

The previous prime is 12011023169. The next prime is 12011023237. The reversal of 12011023230 is 3232011021.

It is a super-3 number, since 3×12011023230³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011023237) 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, 200183691 + ... + 200183750.

It is an arithmetic number, because the mean of its divisors is an integer number (1801653489).

Almost surely, 2^12011023230 is an apocalyptic number.

12011023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011023230 is an abundant number, since it is smaller than the sum of its proper divisors (16815432594).

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

12011023230 is a wasteful number, since it uses less digits than its factorization.

12011023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400367451.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12011023230 its reverse (3232011021), we get a palindrome (15243034251).

The spelling of 12011023230 in words is "twelve billion, eleven million, twenty-three thousand, two hundred thirty".