121012004112 has 80 divisors (see below), whose sum is σ = 340414968000. Its totient is φ = 36896573952.

The previous prime is 121012004107. The next prime is 121012004153. The reversal of 121012004112 is 211400210121.

It is a junction number, because it is equal to n+sod(n) for n = 121012004091 and 121012004100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261287 + ... + 2314182.

It is an arithmetic number, because the mean of its divisors is an integer number (4255187100).

Almost surely, 2^121012004112 is an apocalyptic number.

121012004112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121012004112 is an abundant number, since it is smaller than the sum of its proper divisors (219402963888).

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

121012004112 is a wasteful number, since it uses less digits than its factorization.

121012004112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575528 (or 4575522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121012004112 its reverse (211400210121), we get a palindrome (332412214233).

The spelling of 121012004112 in words is "one hundred twenty-one billion, twelve million, four thousand, one hundred twelve".