121567012 has 12 divisors (see below), whose sum is σ = 243134080. Its totient is φ = 52100136.

The previous prime is 121567007. The next prime is 121567057. The reversal of 121567012 is 210765121.

121567012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170812 + ... + 2170867.

Almost surely, 2^121567012 is an apocalyptic number.

It is an amenable number.

121567012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121567012 is a wasteful number, since it uses less digits than its factorization.

121567012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341690 (or 4341688 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 121567012 is about 11025.7431495569. The cubic root of 121567012 is about 495.3801276971.

The spelling of 121567012 in words is "one hundred twenty-one million, five hundred sixty-seven thousand, twelve".