1252051303211 has 4 divisors (see below), whose sum is σ = 1273272511800. Its totient is φ = 1230830094624.

The previous prime is 1252051303193. The next prime is 1252051303241. The reversal of 1252051303211 is 1123031502521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252051303211 - 2¹⁸ = 1252051041067 is a prime.

It is a super-4 number, since 4×1252051303211⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252051303241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610604206 + ... + 10610604323.

It is an arithmetic number, because the mean of its divisors is an integer number (318318127950).

Almost surely, 2^{1252051303211} is an apocalyptic number.

1252051303211 is a deficient number, since it is larger than the sum of its proper divisors (21221208589).

1252051303211 is an equidigital number, since it uses as much as digits as its factorization.

1252051303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221208588.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1252051303211 its reverse (1123031502521), we get a palindrome (2375082805732).

The spelling of 1252051303211 in words is "one trillion, two hundred fifty-two billion, fifty-one million, three hundred three thousand, two hundred eleven".