126535212 has 36 divisors (see below), whose sum is σ = 336689080. Its totient is φ = 39958272.

The previous prime is 126535187. The next prime is 126535237. The reversal of 126535212 is 212535621.

It is a happy number.

126535212 is a `hidden beast` number, since 1 + 2 + 653 + 5 + 2 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (126535187) and next prime (126535237).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×126535212² = 32022319751769888, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 91813 + ... + 93180.

Almost surely, 2^126535212 is an apocalyptic number.

126535212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126535212 is an abundant number, since it is smaller than the sum of its proper divisors (210153868).

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

126535212 is a wasteful number, since it uses less digits than its factorization.

126535212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185022 (or 185017 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 126535212 is about 11248.7871346203. The cubic root of 126535212 is about 502.0386260443.

The spelling of 126535212 in words is "one hundred twenty-six million, five hundred thirty-five thousand, two hundred twelve".