10121120212 has 24 divisors (see below), whose sum is σ = 20272178304. Its totient is φ = 4331207712.

The previous prime is 10121120189. The next prime is 10121120237. The reversal of 10121120212 is 21202112101.

It is a super-3 number, since 3×10121120212³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121120192 and 10121120201.

It is a congruent number.

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, 248008 + ... + 285919.

It is an arithmetic number, because the mean of its divisors is an integer number (844674096).

Almost surely, 2^10121120212 is an apocalyptic number.

It is an amenable number.

10121120212 is an abundant number, since it is smaller than the sum of its proper divisors (10151058092).

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

10121120212 is a wasteful number, since it uses less digits than its factorization.

10121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534615 (or 534613 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121120212 its reverse (21202112101), we get a palindrome (31323232313).

The spelling of 10121120212 in words is "ten billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".