120212121002 has 4 divisors (see below), whose sum is σ = 180318181506. Its totient is φ = 60106060500.

The previous prime is 120212120999. The next prime is 120212121019. The reversal of 120212121002 is 200121212021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90487257721 + 29724863281 = 300811^2 + 172409^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30053030249 + ... + 30053030252.

Almost surely, 2^120212121002 is an apocalyptic number.

120212121002 is a deficient number, since it is larger than the sum of its proper divisors (60106060504).

120212121002 is an equidigital number, since it uses as much as digits as its factorization.

120212121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60106060503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120212121002 its reverse (200121212021), we get a palindrome (320333333023).

The spelling of 120212121002 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, two".