121502012 has 12 divisors (see below), whose sum is σ = 214181520. Its totient is φ = 60307296.

The previous prime is 121501981. The next prime is 121502033. The reversal of 121502012 is 210205121.

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, 110312 + ... + 111407.

It is an arithmetic number, because the mean of its divisors is an integer number (17848460).

Almost surely, 2^121502012 is an apocalyptic number.

It is an amenable number.

121502012 is a deficient number, since it is larger than the sum of its proper divisors (92679508).

121502012 is a wasteful number, since it uses less digits than its factorization.

121502012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221860 (or 221858 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 121502012 is about 11022.7951083198. The cubic root of 121502012 is about 495.2918212605.

Adding to 121502012 its reverse (210205121), we get a palindrome (331707133).

The spelling of 121502012 in words is "one hundred twenty-one million, five hundred two thousand, twelve".