121610136236 has 12 divisors (see below), whose sum is σ = 214371153528. Its totient is φ = 60361235232.

The previous prime is 121610136211. The next prime is 121610136283. The reversal of 121610136236 is 632631016121.

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, 110957606 + ... + 110958701.

It is an arithmetic number, because the mean of its divisors is an integer number (17864262794).

Almost surely, 2^121610136236 is an apocalyptic number.

It is an amenable number.

121610136236 is a deficient number, since it is larger than the sum of its proper divisors (92761017292).

121610136236 is a wasteful number, since it uses less digits than its factorization.

121610136236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221916448 (or 221916446 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 121610136236 in words is "one hundred twenty-one billion, six hundred ten million, one hundred thirty-six thousand, two hundred thirty-six".