126012012 has 24 divisors (see below), whose sum is σ = 336032256. Its totient is φ = 36003408.

The previous prime is 126011987. The next prime is 126012043. The reversal of 126012012 is 210210621.

It is a junction number, because it is equal to n+sod(n) for n = 126011982 and 126012000.

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 7 ways as a sum of consecutive naturals, for example, 749988 + ... + 750155.

It is an arithmetic number, because the mean of its divisors is an integer number (14001344).

Almost surely, 2^126012012 is an apocalyptic number.

126012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126012012 is an abundant number, since it is smaller than the sum of its proper divisors (210020244).

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

126012012 is a wasteful number, since it uses less digits than its factorization.

126012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500157 (or 1500155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 126012012 is about 11225.5072045765. The cubic root of 126012012 is about 501.3457241370.

Adding to 126012012 its reverse (210210621), we get a palindrome (336222633).

The spelling of 126012012 in words is "one hundred twenty-six million, twelve thousand, twelve".