121120323423112 has 64 divisors (see below), whose sum is σ = 250539325873200. Its totient is φ = 54537290895360.

The previous prime is 121120323423109. The next prime is 121120323423119. The reversal of 121120323423112 is 211324323021121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 265787678116 + 120854535744996 = 515546^2 + 10993386^2 .

It is a super-2 number, since 2×121120323423112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121120323423119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286145964 + ... + 286568932.

Almost surely, 2^{121120323423112} is an apocalyptic number.

It is an amenable number.

121120323423112 is an abundant number, since it is smaller than the sum of its proper divisors (129419002450088).

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

121120323423112 is a wasteful number, since it uses less digits than its factorization.

121120323423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490186 (or 490182 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 121120323423112 its reverse (211324323021121), we get a palindrome (332444646444233).

The spelling of 121120323423112 in words is "one hundred twenty-one trillion, one hundred twenty billion, three hundred twenty-three million, four hundred twenty-three thousand, one hundred twelve".