1238525730012 has 24 divisors (see below), whose sum is σ = 2937268672912. Its totient is φ = 406074009600.

The previous prime is 1238525730007. The next prime is 1238525730037. The reversal of 1238525730012 is 2100375258321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845986789 + ... + 845988252.

Almost surely, 2^{1238525730012} is an apocalyptic number.

1238525730012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238525730012 is an abundant number, since it is smaller than the sum of its proper divisors (1698742942900).

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

1238525730012 is a wasteful number, since it uses less digits than its factorization.

1238525730012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691975109 (or 1691975107 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 1238525730012 in words is "one trillion, two hundred thirty-eight billion, five hundred twenty-five million, seven hundred thirty thousand, twelve".