123222210102 has 24 divisors (see below), whose sum is σ = 267031043136. Its totient is φ = 41066441136.

The previous prime is 123222210079. The next prime is 123222210143. The reversal of 123222210102 is 201012222321.

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

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, 535713 + ... + 730364.

It is an arithmetic number, because the mean of its divisors is an integer number (11126293464).

Almost surely, 2^123222210102 is an apocalyptic number.

123222210102 is an abundant number, since it is smaller than the sum of its proper divisors (143808833034).

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

123222210102 is a wasteful number, since it uses less digits than its factorization.

123222210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271492 (or 1271489 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 123222210102 its reverse (201012222321), we get a palindrome (324234432423).

The spelling of 123222210102 in words is "one hundred twenty-three billion, two hundred twenty-two million, two hundred ten thousand, one hundred two".