121210120112 has 10 divisors (see below), whose sum is σ = 234844607748. Its totient is φ = 60605060048.

The previous prime is 121210120051. The next prime is 121210120121. The reversal of 121210120112 is 211021012121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3787816238 + ... + 3787816269.

Almost surely, 2^121210120112 is an apocalyptic number.

It is an amenable number.

121210120112 is a deficient number, since it is larger than the sum of its proper divisors (113634487636).

121210120112 is an equidigital number, since it uses as much as digits as its factorization.

121210120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575632515 (or 7575632509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121210120112 its reverse (211021012121), we get a palindrome (332231132233).

The spelling of 121210120112 in words is "one hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, one hundred twelve".