1251000504132 has 96 divisors (see below), whose sum is σ = 3099448955904. Its totient is φ = 392026521600.

The previous prime is 1251000504107. The next prime is 1251000504137. The reversal of 1251000504132 is 2314050001521.

It is a happy number.

It is a super-2 number, since 2×1251000504132² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1251000504137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8751828 + ... + 8893620.

It is an arithmetic number, because the mean of its divisors is an integer number (32285926624).

Almost surely, 2^{1251000504132} is an apocalyptic number.

1251000504132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1251000504132 is an abundant number, since it is smaller than the sum of its proper divisors (1848448451772).

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

1251000504132 is a wasteful number, since it uses less digits than its factorization.

1251000504132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142509 (or 142507 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1251000504132 its reverse (2314050001521), we get a palindrome (3565050505653).

The spelling of 1251000504132 in words is "one trillion, two hundred fifty-one billion, five hundred four thousand, one hundred thirty-two".