121200222022112 has 12 divisors (see below), whose sum is σ = 238612937106096. Its totient is φ = 60600111011040.

The previous prime is 121200222022091. The next prime is 121200222022147. The reversal of 121200222022112 is 211220222002121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893753469064 + ... + 1893753469127.

It is an arithmetic number, because the mean of its divisors is an integer number (19884411425508).

Almost surely, 2^{121200222022112} is an apocalyptic number.

It is an amenable number.

121200222022112 is a deficient number, since it is larger than the sum of its proper divisors (117412715083984).

121200222022112 is an equidigital number, since it uses as much as digits as its factorization.

121200222022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787506938201 (or 3787506938193 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121200222022112 its reverse (211220222002121), we get a palindrome (332420444024233).

The spelling of 121200222022112 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twenty-two million, twenty-two thousand, one hundred twelve".