121211036 has 12 divisors (see below), whose sum is σ = 212876160. Its totient is φ = 60389280.

The previous prime is 121211033. The next prime is 121211059. The reversal of 121211036 is 630112121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52796 + ... + 55043.

It is an arithmetic number, because the mean of its divisors is an integer number (17739680).

Almost surely, 2^121211036 is an apocalyptic number.

It is an amenable number.

121211036 is a deficient number, since it is larger than the sum of its proper divisors (91665124).

121211036 is a wasteful number, since it uses less digits than its factorization.

121211036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108124 (or 108122 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 121211036 is about 11009.5883665103. The cubic root of 121211036 is about 494.8961262161.

Adding to 121211036 its reverse (630112121), we get a palindrome (751323157).

The spelling of 121211036 in words is "one hundred twenty-one million, two hundred eleven thousand, thirty-six".