123013121022 has 24 divisors (see below), whose sum is σ = 290758286520. Its totient is φ = 37276703280.

The previous prime is 123013121003. The next prime is 123013121047. The reversal of 123013121022 is 220121310321.

123013121022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×123013121022³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123013120986 and 123013121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310638997 + ... + 310639392.

It is an arithmetic number, because the mean of its divisors is an integer number (12114928605).

Almost surely, 2^123013121022 is an apocalyptic number.

123013121022 is an abundant number, since it is smaller than the sum of its proper divisors (167745165498).

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

123013121022 is a wasteful number, since it uses less digits than its factorization.

123013121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621278408 (or 621278405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123013121022 its reverse (220121310321), we get a palindrome (343134431343).

The spelling of 123013121022 in words is "one hundred twenty-three billion, thirteen million, one hundred twenty-one thousand, twenty-two".