1192428612500 has 54 divisors (see below), whose sum is σ = 2608537726494. Its totient is φ = 476922610000.

The previous prime is 1192428612497. The next prime is 1192428612539. The reversal of 1192428612500 is 52168242911.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 550997413264 + 641431199236 = 742292^2 + 800894^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 122082617 + ... + 122092383.

Almost surely, 2^{1192428612500} is an apocalyptic number.

1192428612500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1192428612500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304268863247).

1192428612500 is an abundant number, since it is smaller than the sum of its proper divisors (1416109113994).

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

1192428612500 is an frugal number, since it uses more digits than its factorization.

1192428612500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19563 (or 9774 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 1192428612500 in words is "one trillion, one hundred ninety-two billion, four hundred twenty-eight million, six hundred twelve thousand, five hundred".