121012200022209 has 32 divisors (see below), whose sum is σ = 164946009636864. Its totient is φ = 78880032521280.

The previous prime is 121012200022099. The next prime is 121012200022271. The reversal of 121012200022209 is 902220002210121.

It is not a de Polignac number, because 121012200022209 - 2³¹ = 121010052538561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121012200022309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708786364 + ... + 708957074.

It is an arithmetic number, because the mean of its divisors is an integer number (5154562801152).

Almost surely, 2^{121012200022209} is an apocalyptic number.

It is an amenable number.

121012200022209 is a deficient number, since it is larger than the sum of its proper divisors (43933809614655).

121012200022209 is a wasteful number, since it uses less digits than its factorization.

121012200022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175717.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 121012200022209 in words is "one hundred twenty-one trillion, twelve billion, two hundred million, twenty-two thousand, two hundred nine".