121013201212 has 24 divisors (see below), whose sum is σ = 218630975360. Its totient is φ = 58547681280.

The previous prime is 121013201209. The next prime is 121013201227. The reversal of 121013201212 is 212102310121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052548 + ... + 1161844.

Almost surely, 2^121013201212 is an apocalyptic number.

It is an amenable number.

121013201212 is a deficient number, since it is larger than the sum of its proper divisors (97617774148).

121013201212 is a wasteful number, since it uses less digits than its factorization.

121013201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118261 (or 118259 counting only the distinct ones).

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

Adding to 121013201212 its reverse (212102310121), we get a palindrome (333115511333).

The spelling of 121013201212 in words is "one hundred twenty-one billion, thirteen million, two hundred one thousand, two hundred twelve".