2122012031123 has 8 divisors (see below), whose sum is σ = 2186785006560. Its totient is φ = 2057858893120.

The previous prime is 2122012031107. The next prime is 2122012031131. The reversal of 2122012031123 is 3211302102212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122012031123 - 2⁴ = 2122012031107 is a prime.

It is a super-2 number, since 2×2122012031123² (a number of 25 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 = 2122012031095 and 2122012031104.

It is not an unprimeable number, because it can be changed into a prime (2122012031143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154952408 + ... + 154966101.

It is an arithmetic number, because the mean of its divisors is an integer number (273348125820).

Almost surely, 2^{2122012031123} is an apocalyptic number.

2122012031123 is a deficient number, since it is larger than the sum of its proper divisors (64772975437).

2122012031123 is a wasteful number, since it uses less digits than its factorization.

2122012031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309918717.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2122012031123 its reverse (3211302102212), we get a palindrome (5333314133335).

The spelling of 2122012031123 in words is "two trillion, one hundred twenty-two billion, twelve million, thirty-one thousand, one hundred twenty-three".