12018634235 has 16 divisors (see below), whose sum is σ = 14796643680. Its totient is φ = 9368271360.

The previous prime is 12018634217. The next prime is 12018634237. The reversal of 12018634235 is 53243681021.

It is not a de Polignac number, because 12018634235 - 2⁶ = 12018634171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12018634195 and 12018634204.

It is not an unprimeable number, because it can be changed into a prime (12018634237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146936 + ... + 213605.

It is an arithmetic number, because the mean of its divisors is an integer number (924790230).

Almost surely, 2^12018634235 is an apocalyptic number.

12018634235 is a deficient number, since it is larger than the sum of its proper divisors (2778009445).

12018634235 is a wasteful number, since it uses less digits than its factorization.

12018634235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360718.

The product of its (nonzero) digits is 34560, while the sum is 35.

It can be divided in two parts, 1201863 and 4235, that multiplied together give a palindrome (5089889805).

The spelling of 12018634235 in words is "twelve billion, eighteen million, six hundred thirty-four thousand, two hundred thirty-five".