121512044030156 has 12 divisors (see below), whose sum is σ = 229003467595392. Its totient is φ = 56082481860048.

The previous prime is 121512044030093. The next prime is 121512044030213. The reversal of 121512044030156 is 651030440215121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168385038700 + ... + 1168385038803.

It is an arithmetic number, because the mean of its divisors is an integer number (19083622299616).

Almost surely, 2^{121512044030156} is an apocalyptic number.

It is an amenable number.

121512044030156 is a deficient number, since it is larger than the sum of its proper divisors (107491423565236).

121512044030156 is a wasteful number, since it uses less digits than its factorization.

121512044030156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336770077520 (or 2336770077518 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 121512044030156 its reverse (651030440215121), we get a palindrome (772542484245277).

The spelling of 121512044030156 in words is "one hundred twenty-one trillion, five hundred twelve billion, forty-four million, thirty thousand, one hundred fifty-six".