12120212121002 has 8 divisors (see below), whose sum is σ = 18180549857316. Its totient is φ = 6060028835232.

The previous prime is 12120212120999. The next prime is 12120212121049. The reversal of 12120212121002 is 20012121202121.

It can be written as a sum of positive squares in 2 ways, for example, as 10995783048121 + 1124429072881 = 3315989^2 + 1060391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38416253 + ... + 38730464.

Almost surely, 2^{12120212121002} is an apocalyptic number.

12120212121002 is a deficient number, since it is larger than the sum of its proper divisors (6060337736314).

12120212121002 is an equidigital number, since it uses as much as digits as its factorization.

12120212121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77225272.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120212121002 its reverse (20012121202121), we get a palindrome (32132333323123).

The spelling of 12120212121002 in words is "twelve trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, two".