120356666602 has 4 divisors (see below), whose sum is σ = 180534999906. Its totient is φ = 60178333300.

The previous prime is 120356666557. The next prime is 120356666669. The reversal of 120356666602 is 206666653021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206666653021 = 379 ⋅545294599.

It can be written as a sum of positive squares in only one way, i.e., 71444478681 + 48912187921 = 267291^2 + 221161^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30089166649 + ... + 30089166652.

Almost surely, 2^120356666602 is an apocalyptic number.

120356666602 is a deficient number, since it is larger than the sum of its proper divisors (60178333304).

120356666602 is an equidigital number, since it uses as much as digits as its factorization.

120356666602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60178333303.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 120356666602 in words is "one hundred twenty billion, three hundred fifty-six million, six hundred sixty-six thousand, six hundred two".