121000002212 has 12 divisors (see below), whose sum is σ = 211991458140. Its totient is φ = 60431014176.

The previous prime is 121000002199. The next prime is 121000002223. The reversal of 121000002212 is 212200000121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39372083776 + 81627918436 = 198424^2 + 285706^2 .

It is a super-3 number, since 3×121000002212³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121000002193 and 121000002202.

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, 17242787 + ... + 17249802.

It is an arithmetic number, because the mean of its divisors is an integer number (17665954845).

Almost surely, 2^121000002212 is an apocalyptic number.

It is an amenable number.

121000002212 is a deficient number, since it is larger than the sum of its proper divisors (90991455928).

121000002212 is a wasteful number, since it uses less digits than its factorization.

121000002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34493470 (or 34493468 counting only the distinct ones).

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

Adding to 121000002212 its reverse (212200000121), we get a palindrome (333200002333).

The spelling of 121000002212 in words is "one hundred twenty-one billion, two thousand, two hundred twelve".