126252012 has 12 divisors (see below), whose sum is σ = 294588056. Its totient is φ = 42084000.

The previous prime is 126251977. The next prime is 126252023. The reversal of 126252012 is 210252621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 126252012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260489 + ... + 5260512.

Almost surely, 2^126252012 is an apocalyptic number.

126252012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126252012 is an abundant number, since it is smaller than the sum of its proper divisors (168336044).

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

126252012 is a wasteful number, since it uses less digits than its factorization.

126252012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521008 (or 10521006 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 126252012 is about 11236.1920595903. The cubic root of 126252012 is about 501.6638066868.

The spelling of 126252012 in words is "one hundred twenty-six million, two hundred fifty-two thousand, twelve".