10120220101212 has 48 divisors (see below), whose sum is σ = 25431468612480. Its totient is φ = 3113770373568.

The previous prime is 10120220101193. The next prime is 10120220101261. The reversal of 10120220101212 is 21210102202101.

It is a junction number, because it is equal to n+sod(n) for n = 10120220101191 and 10120220101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1926103 + ... + 4893905.

It is an arithmetic number, because the mean of its divisors is an integer number (529822262760).

Almost surely, 2^{10120220101212} is an apocalyptic number.

10120220101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10120220101212 is an abundant number, since it is smaller than the sum of its proper divisors (15311248511268).

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

10120220101212 is a wasteful number, since it uses less digits than its factorization.

10120220101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989682 (or 2989680 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10120220101212 its reverse (21210102202101), we get a palindrome (31330322303313).

The spelling of 10120220101212 in words is "ten trillion, one hundred twenty billion, two hundred twenty million, one hundred one thousand, two hundred twelve".