121112332112 has 20 divisors (see below), whose sum is σ = 234660796596. Its totient is φ = 60554707200.

The previous prime is 121112332057. The next prime is 121112332123. The reversal of 121112332112 is 211233211121.

It can be written as a sum of positive squares in 2 ways, for example, as 118374531136 + 2737800976 = 344056^2 + 52324^2 .

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, 963188 + ... + 1081644.

Almost surely, 2^121112332112 is an apocalyptic number.

It is an amenable number.

121112332112 is a deficient number, since it is larger than the sum of its proper divisors (113548464484).

121112332112 is a wasteful number, since it uses less digits than its factorization.

121112332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182366 (or 182360 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 121112332112 its reverse (211233211121), we get a palindrome (332345543233).

The spelling of 121112332112 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred thirty-two thousand, one hundred twelve".