121144005112 has 32 divisors (see below), whose sum is σ = 250583996880. Its totient is φ = 54548893440.

The previous prime is 121144005109. The next prime is 121144005113. The reversal of 121144005112 is 211500441121.

It is a happy number.

It is a super-3 number, since 3×121144005112³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144005113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14201178 + ... + 14209705.

Almost surely, 2^121144005112 is an apocalyptic number.

It is an amenable number.

121144005112 is an abundant number, since it is smaller than the sum of its proper divisors (129439991768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121144005112 is a wasteful number, since it uses less digits than its factorization.

121144005112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28410943 (or 28410939 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 121144005112 its reverse (211500441121), we get a palindrome (332644446233).

The spelling of 121144005112 in words is "one hundred twenty-one billion, one hundred forty-four million, five thousand, one hundred twelve".