121673012 has 12 divisors (see below), whose sum is σ = 225453060. Its totient is φ = 57257856.

The previous prime is 121673011. The next prime is 121673053. The reversal of 121673012 is 210376121.

It can be written as a sum of positive squares in 2 ways, for example, as 89000356 + 32672656 = 9434^2 + 5716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121673011) 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, 894587 + ... + 894722.

It is an arithmetic number, because the mean of its divisors is an integer number (18787755).

Almost surely, 2^121673012 is an apocalyptic number.

It is an amenable number.

121673012 is a deficient number, since it is larger than the sum of its proper divisors (103780048).

121673012 is a wasteful number, since it uses less digits than its factorization.

121673012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789330 (or 1789328 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 121673012 is about 11030.5490343863. The cubic root of 121673012 is about 495.5240676196.

The spelling of 121673012 in words is "one hundred twenty-one million, six hundred seventy-three thousand, twelve".