10112121212020 has 12 divisors (see below), whose sum is σ = 21235454545284. Its totient is φ = 4044848484800.

The previous prime is 10112121212009. The next prime is 10112121212041. The reversal of 10112121212020 is 2021212121101.

It can be written as a sum of positive squares in 2 ways, for example, as 6743141723536 + 3368979488484 = 2596756^2 + 1835478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10112121211985 and 10112121212003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252803030281 + ... + 252803030320.

It is an arithmetic number, because the mean of its divisors is an integer number (1769621212107).

Almost surely, 2^{10112121212020} is an apocalyptic number.

10112121212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112121212020 is an abundant number, since it is smaller than the sum of its proper divisors (11123333333264).

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

10112121212020 is a wasteful number, since it uses less digits than its factorization.

10112121212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505606060610 (or 505606060608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10112121212020 its reverse (2021212121101), we get a palindrome (12133333333121).

It can be divided in two parts, 101 and 12121212020, that added together give a palindrome (12121212121).

The spelling of 10112121212020 in words is "ten trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, twenty".