10203123222 has 48 divisors (see below), whose sum is σ = 22468475952. Its totient is φ = 3345825600.

The previous prime is 10203123211. The next prime is 10203123317. The reversal of 10203123222 is 22232130201.

10203123222 is a `hidden beast` number, since 10 + 20 + 312 + 322 + 2 = 666.

It is a super-2 number, since 2×10203123222² (a number of 21 digits) contains 22 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 = 10203123195 and 10203123204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267553 + ... + 303299.

It is an arithmetic number, because the mean of its divisors is an integer number (468093249).

Almost surely, 2^10203123222 is an apocalyptic number.

10203123222 is an abundant number, since it is smaller than the sum of its proper divisors (12265352730).

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

10203123222 is a wasteful number, since it uses less digits than its factorization.

10203123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36013 (or 36010 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10203123222 its reverse (22232130201), we get a palindrome (32435253423).

The spelling of 10203123222 in words is "ten billion, two hundred three million, one hundred twenty-three thousand, two hundred twenty-two".