1250023203221 has 16 divisors (see below), whose sum is σ = 1374201351936. Its totient is φ = 1129931539776.

The previous prime is 1250023203211. The next prime is 1250023203257. The reversal of 1250023203221 is 1223023200521.

It is a de Polignac number, because none of the positive numbers 2^k-1250023203221 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 (1250023203211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374125 + ... + 2094818.

It is an arithmetic number, because the mean of its divisors is an integer number (85887584496).

Almost surely, 2^{1250023203221} is an apocalyptic number.

It is an amenable number.

1250023203221 is a deficient number, since it is larger than the sum of its proper divisors (124178148715).

1250023203221 is a wasteful number, since it uses less digits than its factorization.

1250023203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469532.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1250023203221 its reverse (1223023200521), we get a palindrome (2473046403742).

The spelling of 1250023203221 in words is "one trillion, two hundred fifty billion, twenty-three million, two hundred three thousand, two hundred twenty-one".