112004121520 has 40 divisors (see below), whose sum is σ = 260909506080. Its totient is φ = 44715640320.

The previous prime is 112004121517. The next prime is 112004121547. The reversal of 112004121520 is 25121400211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×112004121520² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301940 + ... + 1385299.

It is an arithmetic number, because the mean of its divisors is an integer number (6522737652).

Almost surely, 2^112004121520 is an apocalyptic number.

112004121520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112004121520 is an abundant number, since it is smaller than the sum of its proper divisors (148905384560).

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

112004121520 is a wasteful number, since it uses less digits than its factorization.

112004121520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687773 (or 2687767 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 112004121520 its reverse (25121400211), we get a palindrome (137125521731).

The spelling of 112004121520 in words is "one hundred twelve billion, four million, one hundred twenty-one thousand, five hundred twenty".