121001010212112 has 20 divisors (see below), whose sum is σ = 312585943048080. Its totient is φ = 40333670070688.

The previous prime is 121001010212099. The next prime is 121001010212123. The reversal of 121001010212112 is 211212010100121.

It is a happy number.

It is a super-2 number, since 2×121001010212112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121001010212091 and 121001010212100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260427189662 + ... + 1260427189757.

It is an arithmetic number, because the mean of its divisors is an integer number (15629297152404).

Almost surely, 2^{121001010212112} is an apocalyptic number.

121001010212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121001010212112 is an abundant number, since it is smaller than the sum of its proper divisors (191584932835968).

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

121001010212112 is a wasteful number, since it uses less digits than its factorization.

121001010212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520854379430 (or 2520854379424 counting only the distinct ones).

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

Adding to 121001010212112 its reverse (211212010100121), we get a palindrome (332213020312233).

The spelling of 121001010212112 in words is "one hundred twenty-one trillion, one billion, ten million, two hundred twelve thousand, one hundred twelve".