126436212 has 36 divisors (see below), whose sum is σ = 365260896. Its totient is φ = 36124560.

The previous prime is 126436181. The next prime is 126436237. The reversal of 126436212 is 212634621.

126436212 is a `hidden beast` number, since 1 + 2 + 643 + 6 + 2 + 12 = 666.

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

It is a super-2 number, since 2×126436212² = 31972231409817888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 250614 + ... + 251117.

It is an arithmetic number, because the mean of its divisors is an integer number (10146136).

Almost surely, 2^126436212 is an apocalyptic number.

126436212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126436212 is an abundant number, since it is smaller than the sum of its proper divisors (238824684).

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

126436212 is a wasteful number, since it uses less digits than its factorization.

126436212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501748 (or 501743 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 126436212 is about 11244.3857991444. The cubic root of 126436212 is about 501.9076617304.

The spelling of 126436212 in words is "one hundred twenty-six million, four hundred thirty-six thousand, two hundred twelve".