1206512226 has 16 divisors (see below), whose sum is σ = 2681138400. Its totient is φ = 402170724.

The previous prime is 1206512221. The next prime is 1206512249. The reversal of 1206512226 is 6222156021.

1206512226 is a `hidden beast` number, since 1 + 2 + 0 + 651 + 2 + 2 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1206512226.

It is not an unprimeable number, because it can be changed into a prime (1206512221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11171356 + ... + 11171463.

It is an arithmetic number, because the mean of its divisors is an integer number (167571150).

Almost surely, 2^1206512226 is an apocalyptic number.

1206512226 is an abundant number, since it is smaller than the sum of its proper divisors (1474626174).

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

1206512226 is a wasteful number, since it uses less digits than its factorization.

1206512226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342830 (or 22342824 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1206512226 is about 34734.8848565819. The cubic root of 1206512226 is about 1064.5774002744.

Adding to 1206512226 its reverse (6222156021), we get a palindrome (7428668247).

The spelling of 1206512226 in words is "one billion, two hundred six million, five hundred twelve thousand, two hundred twenty-six".