112121001232 has 20 divisors (see below), whose sum is σ = 228667832080. Its totient is φ = 53109947808.

The previous prime is 112121001191. The next prime is 112121001233. The reversal of 112121001232 is 232100121211.

It is a super-2 number, since 2×112121001232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (112121001233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184409238 + ... + 184409845.

It is an arithmetic number, because the mean of its divisors is an integer number (11433391604).

Almost surely, 2^112121001232 is an apocalyptic number.

It is an amenable number.

112121001232 is an abundant number, since it is smaller than the sum of its proper divisors (116546830848).

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

112121001232 is a wasteful number, since it uses less digits than its factorization.

112121001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368819110 (or 368819104 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112121001232 its reverse (232100121211), we get a palindrome (344221122443).

The spelling of 112121001232 in words is "one hundred twelve billion, one hundred twenty-one million, one thousand, two hundred thirty-two".