1225150200520 has 16 divisors (see below), whose sum is σ = 2756587951260. Its totient is φ = 490060080192.

The previous prime is 1225150200451. The next prime is 1225150200551. The reversal of 1225150200520 is 250020515221.

It can be written as a sum of positive squares in 2 ways, for example, as 1210338823716 + 14811376804 = 1100154^2 + 121702^2 .

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 3 ways as a sum of consecutive naturals, for example, 15314377467 + ... + 15314377546.

Almost surely, 2^{1225150200520} is an apocalyptic number.

1225150200520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225150200520 is an abundant number, since it is smaller than the sum of its proper divisors (1531437750740).

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

1225150200520 is a wasteful number, since it uses less digits than its factorization.

1225150200520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30628755024 (or 30628755020 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 1225150200520 its reverse (250020515221), we get a palindrome (1475170715741).

The spelling of 1225150200520 in words is "one trillion, two hundred twenty-five billion, one hundred fifty million, two hundred thousand, five hundred twenty".