121000200212 has 48 divisors (see below), whose sum is σ = 228342022272. Its totient is φ = 55897820160.

The previous prime is 121000200203. The next prime is 121000200221. The reversal of 121000200212 is 212002000121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121000200203) and next prime (121000200221).

It is a junction number, because it is equal to n+sod(n) for n = 121000200193 and 121000200202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071143 + ... + 1178705.

It is an arithmetic number, because the mean of its divisors is an integer number (4757125464).

Almost surely, 2^121000200212 is an apocalyptic number.

It is an amenable number.

121000200212 is a deficient number, since it is larger than the sum of its proper divisors (107341822060).

121000200212 is a wasteful number, since it uses less digits than its factorization.

121000200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107888 (or 107886 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121000200212 its reverse (212002000121), we get a palindrome (333002200333).

The spelling of 121000200212 in words is "one hundred twenty-one billion, two hundred thousand, two hundred twelve".