1220582850253 has 4 divisors (see below), whose sum is σ = 1314473838748. Its totient is φ = 1126691861760.

The previous prime is 1220582850191. The next prime is 1220582850329. The reversal of 1220582850253 is 3520582850221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 739027350889 + 481555499364 = 859667^2 + 693942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220582850253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220580850253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46945494228 + ... + 46945494253.

It is an arithmetic number, because the mean of its divisors is an integer number (328618459687).

Almost surely, 2^{1220582850253} is an apocalyptic number.

1220582850253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1220582850253 is a deficient number, since it is larger than the sum of its proper divisors (93890988495).

1220582850253 is an equidigital number, since it uses as much as digits as its factorization.

1220582850253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93890988494.

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 1220582850253 in words is "one trillion, two hundred twenty billion, five hundred eighty-two million, eight hundred fifty thousand, two hundred fifty-three".