112321212003 has 256 divisors, whose sum is σ = 239674982400. Its totient is φ = 50050690560.

The previous prime is 112321211963. The next prime is 112321212013. The reversal of 112321212003 is 300212123211.

It is not a de Polignac number, because 112321212003 - 2⁶ = 112321211939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112321212013) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 27214126 + ... + 27218252.

It is an arithmetic number, because the mean of its divisors is an integer number (936230400).

Almost surely, 2^112321212003 is an apocalyptic number.

112321212003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

112321212003 is an abundant number, since it is smaller than the sum of its proper divisors (127353770397).

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

112321212003 is a wasteful number, since it uses less digits than its factorization.

112321212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112321212003 its reverse (300212123211), we get a palindrome (412533335214).

The spelling of 112321212003 in words is "one hundred twelve billion, three hundred twenty-one million, two hundred twelve thousand, three".