10121001121212 has 12 divisors (see below), whose sum is σ = 23615669282856. Its totient is φ = 3373667040400.

The previous prime is 10121001121201. The next prime is 10121001121229. The reversal of 10121001121212 is 21212110012101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×10121001121212³ (a number of 40 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 = 10121001121191 and 10121001121200.

It is a congruent number.

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, 421708380039 + ... + 421708380062.

It is an arithmetic number, because the mean of its divisors is an integer number (1967972440238).

Almost surely, 2^{10121001121212} is an apocalyptic number.

10121001121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121001121212 is an abundant number, since it is smaller than the sum of its proper divisors (13494668161644).

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

10121001121212 is a wasteful number, since it uses less digits than its factorization.

10121001121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843416760108 (or 843416760106 counting only the distinct ones).

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

Adding to 10121001121212 its reverse (21212110012101), we get a palindrome (31333111133313).

It can be divided in two parts, 1012100 and 1121212, that added together give a palindrome (2133312).

The spelling of 10121001121212 in words is "ten trillion, one hundred twenty-one billion, one million, one hundred twenty-one thousand, two hundred twelve".