121212012002012 has 6 divisors (see below), whose sum is σ = 212121021003528. Its totient is φ = 60606006001004.

The previous prime is 121212012001999. The next prime is 121212012002017. The reversal of 121212012002012 is 210200210212121.

It is a super-2 number, since 2×121212012002012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212012002017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151501500248 + ... + 15151501500255.

It is an arithmetic number, because the mean of its divisors is an integer number (35353503500588).

Almost surely, 2^{121212012002012} is an apocalyptic number.

It is an amenable number.

121212012002012 is a deficient number, since it is larger than the sum of its proper divisors (90909009001516).

121212012002012 is a wasteful number, since it uses less digits than its factorization.

121212012002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30303003000507 (or 30303003000505 counting only the distinct ones).

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

Adding to 121212012002012 its reverse (210200210212121), we get a palindrome (331412222214133).

The spelling of 121212012002012 in words is "one hundred twenty-one trillion, two hundred twelve billion, twelve million, two thousand, twelve".