126622012 has 12 divisors (see below), whose sum is σ = 241733016. Its totient is φ = 57555440.

The previous prime is 126622007. The next prime is 126622019. The reversal of 126622012 is 210226621.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126622019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438843 + ... + 1438930.

It is an arithmetic number, because the mean of its divisors is an integer number (20144418).

Almost surely, 2^126622012 is an apocalyptic number.

It is an amenable number.

126622012 is a deficient number, since it is larger than the sum of its proper divisors (115111004).

126622012 is a wasteful number, since it uses less digits than its factorization.

126622012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877788 (or 2877786 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 126622012 is about 11252.6446669216. The cubic root of 126622012 is about 502.1533951314.

Adding to 126622012 its reverse (210226621), we get a palindrome (336848633).

The spelling of 126622012 in words is "one hundred twenty-six million, six hundred twenty-two thousand, twelve".