12021226110 has 24 divisors (see below), whose sum is σ = 31255188120. Its totient is φ = 3205660272.

The previous prime is 12021226103. The next prime is 12021226153. The reversal of 12021226110 is 1162212021.

12021226110 is a `hidden beast` number, since 12 + 0 + 21 + 22 + 611 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 66784500 + ... + 66784679.

It is an arithmetic number, because the mean of its divisors is an integer number (1302299505).

Almost surely, 2^12021226110 is an apocalyptic number.

12021226110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021226110 is an abundant number, since it is smaller than the sum of its proper divisors (19233962010).

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

12021226110 is a wasteful number, since it uses less digits than its factorization.

12021226110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133569192 (or 133569189 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12021226110 its reverse (1162212021), we get a palindrome (13183438131).

The spelling of 12021226110 in words is "twelve billion, twenty-one million, two hundred twenty-six thousand, one hundred ten".