123130222292 has 24 divisors (see below), whose sum is σ = 268647758400. Its totient is φ = 47972813760.

The previous prime is 123130222283. The next prime is 123130222307. The reversal of 123130222292 is 292222031321.

It is a super-2 number, since 2×123130222292² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199886417 + ... + 199887032.

It is an arithmetic number, because the mean of its divisors is an integer number (11193656600).

Almost surely, 2^123130222292 is an apocalyptic number.

It is an amenable number.

123130222292 is an abundant number, since it is smaller than the sum of its proper divisors (145517536108).

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

123130222292 is a wasteful number, since it uses less digits than its factorization.

123130222292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399773471 (or 399773469 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 123130222292 in words is "one hundred twenty-three billion, one hundred thirty million, two hundred twenty-two thousand, two hundred ninety-two".