2012121032 has 24 divisors (see below), whose sum is σ = 3798552450. Its totient is φ = 999220224.

The previous prime is 2012121031. The next prime is 2012121047. The reversal of 2012121032 is 2301212102.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 769840516 + 1242280516 = 27746^2 + 35246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2012120998 and 2012121016.

It is not an unprimeable number, because it can be changed into a prime (2012121031) 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 5 ways as a sum of consecutive naturals, for example, 171944 + ... + 183272.

Almost surely, 2^2012121032 is an apocalyptic number.

It is an amenable number.

2012121032 is a deficient number, since it is larger than the sum of its proper divisors (1786431418).

2012121032 is a wasteful number, since it uses less digits than its factorization.

2012121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11633 (or 11480 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2012121032 is about 44856.6721012605. The cubic root of 2012121032 is about 1262.4611825075.

Adding to 2012121032 its reverse (2301212102), we get a palindrome (4313333134).

The spelling of 2012121032 in words is "two billion, twelve million, one hundred twenty-one thousand, thirty-two".