126388813250 has 32 divisors (see below), whose sum is σ = 270399841920. Its totient is φ = 43333306800.

The previous prime is 126388813237. The next prime is 126388813267. The reversal of 126388813250 is 52318883621.

It is a super-2 number, since 2×126388813250² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126388813195 and 126388813204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36109340 + ... + 36112839.

It is an arithmetic number, because the mean of its divisors is an integer number (8449995060).

Almost surely, 2^126388813250 is an apocalyptic number.

126388813250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126388813250 is an abundant number, since it is smaller than the sum of its proper divisors (144011028670).

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

126388813250 is an equidigital number, since it uses as much as digits as its factorization.

126388813250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72222203 (or 72222193 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 126388813250 in words is "one hundred twenty-six billion, three hundred eighty-eight million, eight hundred thirteen thousand, two hundred fifty".