121202260163226 has 576 divisors, whose sum is σ = 312892209856512. Its totient is φ = 34875126720000.

The previous prime is 121202260163107. The next prime is 121202260163251. The reversal of 121202260163226 is 622361062202121.

121202260163226 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 0 + 22 + 601 + 6 + 3 + 2 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 76564914031 + ... + 76564915613.

It is an arithmetic number, because the mean of its divisors is an integer number (543215642112).

Almost surely, 2^{121202260163226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121202260163226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156446104928256).

121202260163226 is an abundant number, since it is smaller than the sum of its proper divisors (191689949693286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202260163226 is a wasteful number, since it uses less digits than its factorization.

121202260163226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 121202260163226 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred sixty million, one hundred sixty-three thousand, two hundred twenty-six".