121000110212 has 12 divisors (see below), whose sum is σ = 211753879260. Its totient is φ = 60499001856.

The previous prime is 121000110173. The next prime is 121000110233. The reversal of 121000110212 is 212011000121.

It can be written as a sum of positive squares in 2 ways, for example, as 84451847236 + 36548262976 = 290606^2 + 191176^2 .

It is a super-2 number, since 2×121000110212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121000110193 and 121000110202.

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, 31964 + ... + 492972.

It is an arithmetic number, because the mean of its divisors is an integer number (17646156605).

Almost surely, 2^121000110212 is an apocalyptic number.

It is an amenable number.

121000110212 is a deficient number, since it is larger than the sum of its proper divisors (90753769048).

121000110212 is a wasteful number, since it uses less digits than its factorization.

121000110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526630 (or 526628 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121000110212 its reverse (212011000121), we get a palindrome (333011110333).

The spelling of 121000110212 in words is "one hundred twenty-one billion, one hundred ten thousand, two hundred twelve".