126266052220 has 96 divisors (see below), whose sum is σ = 336190901760. Its totient is φ = 38688579840.

The previous prime is 126266052193. The next prime is 126266052307. The reversal of 126266052220 is 22250662621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603979 + ... + 785698.

It is an arithmetic number, because the mean of its divisors is an integer number (3501988560).

Almost surely, 2^126266052220 is an apocalyptic number.

126266052220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126266052220 is an abundant number, since it is smaller than the sum of its proper divisors (209924849540).

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

126266052220 is a wasteful number, since it uses less digits than its factorization.

126266052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389763 (or 1389761 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 126266052220 in words is "one hundred twenty-six billion, two hundred sixty-six million, fifty-two thousand, two hundred twenty".