121413212 has 12 divisors (see below), whose sum is σ = 213575376. Its totient is φ = 60391680.

The previous prime is 121413203. The next prime is 121413233. The reversal of 121413212 is 212314121.

It is a congruent number.

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, 77864 + ... + 79407.

It is an arithmetic number, because the mean of its divisors is an integer number (17797948).

Almost surely, 2^121413212 is an apocalyptic number.

It is an amenable number.

121413212 is a deficient number, since it is larger than the sum of its proper divisors (92162164).

121413212 is a wasteful number, since it uses less digits than its factorization.

121413212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157468 (or 157466 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 121413212 is about 11018.7663556317. The cubic root of 121413212 is about 495.1711301649.

Adding to 121413212 its reverse (212314121), we get a palindrome (333727333).

Subtracting 121413212 from its reverse (212314121), we obtain a palindrome (90900909).

The spelling of 121413212 in words is "one hundred twenty-one million, four hundred thirteen thousand, two hundred twelve".