121512060512061 has 16 divisors (see below), whose sum is σ = 164697452908608. Its totient is φ = 79667763436800.

The previous prime is 121512060512047. The next prime is 121512060512069. The reversal of 121512060512061 is 160215060215121.

It is a happy number.

It is not a de Polignac number, because 121512060512061 - 2¹⁴ = 121512060495677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121512060512069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49959916 + ... + 52335621.

It is an arithmetic number, because the mean of its divisors is an integer number (10293590806788).

Almost surely, 2^{121512060512061} is an apocalyptic number.

It is an amenable number.

121512060512061 is a deficient number, since it is larger than the sum of its proper divisors (43185392396547).

121512060512061 is a wasteful number, since it uses less digits than its factorization.

121512060512061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102302092.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 121512060512061 in words is "one hundred twenty-one trillion, five hundred twelve billion, sixty million, five hundred twelve thousand, sixty-one".