12121211121002 has 8 divisors (see below), whose sum is σ = 18972330450336. Its totient is φ = 5797100970892.

The previous prime is 12121211120971. The next prime is 12121211121059. The reversal of 12121211121002 is 20012111212121.

12121211121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12121211121002² (a number of 27 digits) contains 22 as substring.

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, 131752294748 + ... + 131752294839.

It is an arithmetic number, because the mean of its divisors is an integer number (2371541306292).

Almost surely, 2^{12121211121002} is an apocalyptic number.

12121211121002 is a deficient number, since it is larger than the sum of its proper divisors (6851119329334).

12121211121002 is a wasteful number, since it uses less digits than its factorization.

12121211121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263504589612.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12121211121002 its reverse (20012111212121), we get a palindrome (32133322333123).

The spelling of 12121211121002 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty-one thousand, two".