4012112531232 has 120 divisors (see below), whose sum is σ = 12707166344796. Its totient is φ = 1234496153088.

The previous prime is 4012112531221. The next prime is 4012112531239. The reversal of 4012112531232 is 2321352112104.

It is a happy number.

4012112531232 is a `hidden beast` number, since 4 + 0 + 12 + 112 + 531 + 2 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2884956602256 + 1127155928976 = 1698516^2 + 1061676^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4012112531196 and 4012112531205.

It is not an unprimeable number, because it can be changed into a prime (4012112531239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59500263 + ... + 59567654.

Almost surely, 2^{4012112531232} is an apocalyptic number.

It is an amenable number.

4012112531232 is an abundant number, since it is smaller than the sum of its proper divisors (8695053813564).

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

4012112531232 is a wasteful number, since it uses less digits than its factorization.

4012112531232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119067952 (or 119067935 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 4012112531232 its reverse (2321352112104), we get a palindrome (6333464643336).

The spelling of 4012112531232 in words is "four trillion, twelve billion, one hundred twelve million, five hundred thirty-one thousand, two hundred thirty-two".