1250322425221 has 2 divisors, whose sum is σ = 1250322425222. Its totient is φ = 1250322425220.

The previous prime is 1250322425207. The next prime is 1250322425299. The reversal of 1250322425221 is 1225242230521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778119816321 + 472202608900 = 882111^2 + 687170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250322425221 - 2¹¹ = 1250322423173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250322425021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625161212610 + 625161212611.

It is an arithmetic number, because the mean of its divisors is an integer number (625161212611).

Almost surely, 2^{1250322425221} is an apocalyptic number.

It is an amenable number.

1250322425221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250322425221 is an equidigital number, since it uses as much as digits as its factorization.

1250322425221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1250322425221 its reverse (1225242230521), we get a palindrome (2475564655742).

The spelling of 1250322425221 in words is "one trillion, two hundred fifty billion, three hundred twenty-two million, four hundred twenty-five thousand, two hundred twenty-one".