1225001626600 has 96 divisors (see below), whose sum is σ = 2986701975000. Its totient is φ = 466623037440.

The previous prime is 1225001626577. The next prime is 1225001626609. The reversal of 1225001626600 is 66261005221.

It can be written as a sum of positive squares in 12 ways, for example, as 455876134596 + 769125492004 = 675186^2 + 876998^2 .

It is not an unprimeable number, because it can be changed into a prime (1225001626609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023225 + ... + 1870024.

Almost surely, 2^{1225001626600} is an apocalyptic number.

1225001626600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225001626600 is an abundant number, since it is smaller than the sum of its proper divisors (1761700348400).

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

1225001626600 is a wasteful number, since it uses less digits than its factorization.

1225001626600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893367 (or 2893358 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1225001626600 in words is "one trillion, two hundred twenty-five billion, one million, six hundred twenty-six thousand, six hundred".