1250818821147 has 16 divisors (see below), whose sum is σ = 1906417658880. Its totient is φ = 714600602112.

The previous prime is 1250818821139. The next prime is 1250818821163. The reversal of 1250818821147 is 7411288180521.

It is not a de Polignac number, because 1250818821147 - 2³ = 1250818821139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1250818821096 and 1250818821105.

It is not an unprimeable number, because it can be changed into a prime (1250818821107) 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 15 ways as a sum of consecutive naturals, for example, 6274947 + ... + 6471212.

It is an arithmetic number, because the mean of its divisors is an integer number (119151103680).

Almost surely, 2^{1250818821147} is an apocalyptic number.

1250818821147 is a deficient number, since it is larger than the sum of its proper divisors (655598837733).

1250818821147 is a wasteful number, since it uses less digits than its factorization.

1250818821147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750842.

The product of its (nonzero) digits is 286720, while the sum is 48.

The spelling of 1250818821147 in words is "one trillion, two hundred fifty billion, eight hundred eighteen million, eight hundred twenty-one thousand, one hundred forty-seven".