121200102112 has 24 divisors (see below), whose sum is σ = 239196132000. Its totient is φ = 60451878144.

The previous prime is 121200102109. The next prime is 121200102217. The reversal of 121200102112 is 211201002121.

It is a junction number, because it is equal to n+sod(n) for n = 121200102092 and 121200102101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617112 + ... + 4643287.

It is an arithmetic number, because the mean of its divisors is an integer number (9966505500).

Almost surely, 2^121200102112 is an apocalyptic number.

It is an amenable number.

121200102112 is a deficient number, since it is larger than the sum of its proper divisors (117996029888).

121200102112 is an equidigital number, since it uses as much as digits as its factorization.

121200102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260818 (or 9260810 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121200102112 its reverse (211201002121), we get a palindrome (332401104233).

Subtracting 121200102112 from its reverse (211201002121), we obtain a palindrome (90000900009).

The spelling of 121200102112 in words is "one hundred twenty-one billion, two hundred million, one hundred two thousand, one hundred twelve".