2012012021232 has 60 divisors (see below), whose sum is σ = 5660320109184. Its totient is φ = 667159299840.

The previous prime is 2012012021209. The next prime is 2012012021233. The reversal of 2012012021232 is 2321202102102.

2012012021232 is a `hidden beast` number, since 201 + 201 + 20 + 212 + 32 = 666.

It is a super-3 number, since 3×2012012021232³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012021233) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36549213 + ... + 36604220.

Almost surely, 2^{2012012021232} is an apocalyptic number.

It is an amenable number.

2012012021232 is an abundant number, since it is smaller than the sum of its proper divisors (3648308087952).

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

2012012021232 is a wasteful number, since it uses less digits than its factorization.

2012012021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73153638 (or 73153629 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2012012021232 its reverse (2321202102102), we get a palindrome (4333214123334).

The spelling of 2012012021232 in words is "two trillion, twelve billion, twelve million, twenty-one thousand, two hundred thirty-two".