120203012 has 12 divisors (see below), whose sum is σ = 211175580. Its totient is φ = 59867136.

The previous prime is 120203011. The next prime is 120203033. The reversal of 120203012 is 210302021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105349696 + 14853316 = 10264^2 + 3854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120202984 and 120203002.

It is not an unprimeable number, because it can be changed into a prime (120203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57437 + ... + 59492.

It is an arithmetic number, because the mean of its divisors is an integer number (17597965).

Almost surely, 2^120203012 is an apocalyptic number.

It is an amenable number.

120203012 is a deficient number, since it is larger than the sum of its proper divisors (90972568).

120203012 is a wasteful number, since it uses less digits than its factorization.

120203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117190 (or 117188 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120203012 is about 10963.7134220117. The cubic root of 120203012 is about 493.5204085169.

Adding to 120203012 its reverse (210302021), we get a palindrome (330505033).

Subtracting 120203012 from its reverse (210302021), we obtain a palindrome (90099009).

The spelling of 120203012 in words is "one hundred twenty million, two hundred three thousand, twelve".