1212000110121 has 16 divisors (see below), whose sum is σ = 1659715997184. Its totient is φ = 786143205504.

The previous prime is 1212000110117. The next prime is 1212000110137. The reversal of 1212000110121 is 1210110002121.

It is not a de Polignac number, because 1212000110121 - 2² = 1212000110117 is a prime.

It is a super-3 number, since 3×1212000110121³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1212000110097 and 1212000110106.

It is not an unprimeable number, because it can be changed into a prime (1212000110141) 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, 5583016 + ... + 5796038.

It is an arithmetic number, because the mean of its divisors is an integer number (103732249824).

Almost surely, 2^{1212000110121} is an apocalyptic number.

It is an amenable number.

1212000110121 is a deficient number, since it is larger than the sum of its proper divisors (447715887063).

1212000110121 is a wasteful number, since it uses less digits than its factorization.

1212000110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264320.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212000110121 its reverse (1210110002121), we get a palindrome (2422110112242).

The spelling of 1212000110121 in words is "one trillion, two hundred twelve billion, one hundred ten thousand, one hundred twenty-one".