121016212 has 12 divisors (see below), whose sum is σ = 212089696. Its totient is φ = 60419160.

The previous prime is 121016171. The next prime is 121016213. The reversal of 121016212 is 212610121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121016213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19128 + ... + 24655.

Almost surely, 2^121016212 is an apocalyptic number.

It is an amenable number.

121016212 is a deficient number, since it is larger than the sum of its proper divisors (91073484).

121016212 is a wasteful number, since it uses less digits than its factorization.

121016212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44478 (or 44476 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 121016212 is about 11000.7368844092. The cubic root of 121016212 is about 494.6308331372.

Adding to 121016212 its reverse (212610121), we get a palindrome (333626333).

The spelling of 121016212 in words is "one hundred twenty-one million, sixteen thousand, two hundred twelve".