12010257236 has 24 divisors (see below), whose sum is σ = 21593730816. Its totient is φ = 5842150880.

The previous prime is 12010257221. The next prime is 12010257241. The reversal of 12010257236 is 63275201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12010257199 and 12010257208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159875 + ... + 222666.

It is an arithmetic number, because the mean of its divisors is an integer number (899738784).

Almost surely, 2^12010257236 is an apocalyptic number.

It is an amenable number.

12010257236 is a deficient number, since it is larger than the sum of its proper divisors (9583473580).

12010257236 is a wasteful number, since it uses less digits than its factorization.

12010257236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382759 (or 382757 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 12010257236 its reverse (63275201021), we get a palindrome (75285458257).

The spelling of 12010257236 in words is "twelve billion, ten million, two hundred fifty-seven thousand, two hundred thirty-six".