121112001012012 has 24 divisors (see below), whose sum is σ = 282595010880000. Its totient is φ = 40370618168016.

The previous prime is 121112001011977. The next prime is 121112001012029. The reversal of 121112001012012 is 210210100211121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121112001011982 and 121112001012000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5042989 + ... + 16360187.

It is an arithmetic number, because the mean of its divisors is an integer number (11774792120000).

Almost surely, 2^{121112001012012} is an apocalyptic number.

121112001012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121112001012012 is an abundant number, since it is smaller than the sum of its proper divisors (161483009867988).

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

121112001012012 is a wasteful number, since it uses less digits than its factorization.

121112001012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209005 (or 12209003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121112001012012 its reverse (210210100211121), we get a palindrome (331322101223133).

The spelling of 121112001012012 in words is "one hundred twenty-one trillion, one hundred twelve billion, one million, twelve thousand, twelve".