121004243112 has 16 divisors (see below), whose sum is σ = 302510607840. Its totient is φ = 40334747696.

The previous prime is 121004243057. The next prime is 121004243141. The reversal of 121004243112 is 211342400121.

It is a super-2 number, since 2×121004243112² (a number of 23 digits) contains 22 as substring.

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, 2520921708 + ... + 2520921755.

It is an arithmetic number, because the mean of its divisors is an integer number (18906912990).

Almost surely, 2^121004243112 is an apocalyptic number.

121004243112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121004243112 is an abundant number, since it is smaller than the sum of its proper divisors (181506364728).

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

121004243112 is a wasteful number, since it uses less digits than its factorization.

121004243112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041843472 (or 5041843468 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121004243112 its reverse (211342400121), we get a palindrome (332346643233).

The spelling of 121004243112 in words is "one hundred twenty-one billion, four million, two hundred forty-three thousand, one hundred twelve".