126651212 has 6 divisors (see below), whose sum is σ = 221639628. Its totient is φ = 63325604.

The previous prime is 126651209. The next prime is 126651221. The reversal of 126651212 is 212156621.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15831398 + ... + 15831405.

It is an arithmetic number, because the mean of its divisors is an integer number (36939938).

Almost surely, 2^126651212 is an apocalyptic number.

It is an amenable number.

126651212 is a deficient number, since it is larger than the sum of its proper divisors (94988416).

126651212 is a wasteful number, since it uses less digits than its factorization.

126651212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31662807 (or 31662805 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 126651212 is about 11253.9420648944. The cubic root of 126651212 is about 502.1919922967.

The spelling of 126651212 in words is "one hundred twenty-six million, six hundred fifty-one thousand, two hundred twelve".