121012196 has 12 divisors (see below), whose sum is σ = 211851948. Its totient is φ = 60483072.

The previous prime is 121012193. The next prime is 121012201. The reversal of 121012196 is 691210121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49000000 + 72012196 = 7000^2 + 8486^2 .

It is not an unprimeable number, because it can be changed into a prime (121012193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12500 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (17654329).

Almost surely, 2^121012196 is an apocalyptic number.

It is an amenable number.

121012196 is a deficient number, since it is larger than the sum of its proper divisors (90839752).

121012196 is a wasteful number, since it uses less digits than its factorization.

121012196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 121012196 is about 11000.5543496680. The cubic root of 121012196 is about 494.6253615303.

The spelling of 121012196 in words is "one hundred twenty-one million, twelve thousand, one hundred ninety-six".