126512627652 has 60 divisors (see below), whose sum is σ = 331537974460. Its totient is φ = 42067724544.

The previous prime is 126512627639. The next prime is 126512627723. The reversal of 126512627652 is 256726215621.

126512627652 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 12 + 627 + 6 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56993922756 + 69518704896 = 238734^2 + 263664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126512627598 and 126512627607.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 344833 + ... + 609864.

Almost surely, 2^126512627652 is an apocalyptic number.

126512627652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126512627652 is an abundant number, since it is smaller than the sum of its proper divisors (205025346808).

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

126512627652 is a wasteful number, since it uses less digits than its factorization.

126512627652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955122 (or 955111 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 126512627652 in words is "one hundred twenty-six billion, five hundred twelve million, six hundred twenty-seven thousand, six hundred fifty-two".