1252530504120 has 128 divisors (see below), whose sum is σ = 4336909309440. Its totient is φ = 283458086400.

The previous prime is 1252530504061. The next prime is 1252530504143. The reversal of 1252530504120 is 214050352521.

It is a super-2 number, since 2×1252530504120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7296882 + ... + 7466561.

It is an arithmetic number, because the mean of its divisors is an integer number (33882103980).

Almost surely, 2^{1252530504120} is an apocalyptic number.

1252530504120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252530504120 is an abundant number, since it is smaller than the sum of its proper divisors (3084378805320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252530504120 is a wasteful number, since it uses less digits than its factorization.

1252530504120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14763565 (or 14763561 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1252530504120 its reverse (214050352521), we get a palindrome (1466580856641).

The spelling of 1252530504120 in words is "one trillion, two hundred fifty-two billion, five hundred thirty million, five hundred four thousand, one hundred twenty".