10020112111212 has 24 divisors (see below), whose sum is σ = 26720298963456. Its totient is φ = 2862889174608.

The previous prime is 10020112111183. The next prime is 10020112111253. The reversal of 10020112111212 is 21211121102001.

It is a happy number.

It is a super-3 number, since 3×10020112111212³ (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 = 10020112111191 and 10020112111200.

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 7 ways as a sum of consecutive naturals, for example, 59643524388 + ... + 59643524555.

It is an arithmetic number, because the mean of its divisors is an integer number (1113345790144).

Almost surely, 2^{10020112111212} is an apocalyptic number.

10020112111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020112111212 is an abundant number, since it is smaller than the sum of its proper divisors (16700186852244).

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

10020112111212 is a wasteful number, since it uses less digits than its factorization.

10020112111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119287048957 (or 119287048955 counting only the distinct ones).

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

Adding to 10020112111212 its reverse (21211121102001), we get a palindrome (31231233213213).

The spelling of 10020112111212 in words is "ten trillion, twenty billion, one hundred twelve million, one hundred eleven thousand, two hundred twelve".