1225268056850 has 24 divisors (see below), whose sum is σ = 2357584746660. Its totient is φ = 473206973120.

The previous prime is 1225268056811. The next prime is 1225268056867. The reversal of 1225268056850 is 586508625221.

It can be written as a sum of positive squares in 6 ways, for example, as 840579082561 + 384688974289 = 916831^2 + 620233^2 .

It is a super-2 number, since 2×1225268056850² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422504777 + ... + 422507676.

Almost surely, 2^{1225268056850} is an apocalyptic number.

1225268056850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225268056850 is a deficient number, since it is larger than the sum of its proper divisors (1132316689810).

1225268056850 is a wasteful number, since it uses less digits than its factorization.

1225268056850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845012494 (or 845012489 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 1225268056850 in words is "one trillion, two hundred twenty-five billion, two hundred sixty-eight million, fifty-six thousand, eight hundred fifty".