126428972200 has 48 divisors (see below), whose sum is σ = 294224901660. Its totient is φ = 50523840000.

The previous prime is 126428972191. The next prime is 126428972231. The reversal of 126428972200 is 2279824621.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 32899429924 + 93529542276 = 181382^2 + 305826^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85701 + ... + 510100.

Almost surely, 2^126428972200 is an apocalyptic number.

126428972200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126428972200 is an abundant number, since it is smaller than the sum of its proper divisors (167795929460).

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

126428972200 is a wasteful number, since it uses less digits than its factorization.

126428972200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596878 (or 596869 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 126428972200 in words is "one hundred twenty-six billion, four hundred twenty-eight million, nine hundred seventy-two thousand, two hundred".