121715012 has 12 divisors (see below), whose sum is σ = 214887036. Its totient is φ = 60318720.

The previous prime is 121714993. The next prime is 121715023. The reversal of 121715012 is 210517121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56040196 + 65674816 = 7486^2 + 8104^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134189 + ... + 135092.

It is an arithmetic number, because the mean of its divisors is an integer number (17907253).

Almost surely, 2^121715012 is an apocalyptic number.

It is an amenable number.

121715012 is a deficient number, since it is larger than the sum of its proper divisors (93172024).

121715012 is a wasteful number, since it uses less digits than its factorization.

121715012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269398 (or 269396 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 121715012 is about 11032.4526738165. The cubic root of 121715012 is about 495.5810772946.

The spelling of 121715012 in words is "one hundred twenty-one million, seven hundred fifteen thousand, twelve".