1252530311252 has 48 divisors (see below), whose sum is σ = 2478044318400. Its totient is φ = 548723132160.

The previous prime is 1252530311243. The next prime is 1252530311261. The reversal of 1252530311252 is 2521130352521.

It is an interprime number because it is at equal distance from previous prime (1252530311243) and next prime (1252530311261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153377 + ... + 1590152.

It is an arithmetic number, because the mean of its divisors is an integer number (51625923300).

Almost surely, 2^{1252530311252} is an apocalyptic number.

It is an amenable number.

1252530311252 is a deficient number, since it is larger than the sum of its proper divisors (1225514007148).

1252530311252 is a wasteful number, since it uses less digits than its factorization.

1252530311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744136 (or 1744134 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1252530311252 its reverse (2521130352521), we get a palindrome (3773660663773).

The spelling of 1252530311252 in words is "one trillion, two hundred fifty-two billion, five hundred thirty million, three hundred eleven thousand, two hundred fifty-two".