101212121222023 has 24 divisors (see below), whose sum is σ = 123511872984480. Its totient is φ = 82582012376640.

The previous prime is 101212121221997. The next prime is 101212121222039. The reversal of 101212121222023 is 320222121212101.

It is not a de Polignac number, because 101212121222023 - 2⁹ = 101212121221511 is a prime.

It is a super-2 number, since 2×101212121222023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212121221985 and 101212121222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212221222023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 501490536 + ... + 501692317.

It is an arithmetic number, because the mean of its divisors is an integer number (5146328041020).

Almost surely, 2^{101212121222023} is an apocalyptic number.

101212121222023 is a deficient number, since it is larger than the sum of its proper divisors (22299751762457).

101212121222023 is a wasteful number, since it uses less digits than its factorization.

101212121222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003182967 (or 1003182960 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 101212121222023 its reverse (320222121212101), we get a palindrome (421434242434124).

The spelling of 101212121222023 in words is "one hundred one trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-three".