1223022210102 has 96 divisors (see below), whose sum is σ = 3306467533824. Its totient is φ = 317406643200.

The previous prime is 1223022210083. The next prime is 1223022210107. The reversal of 1223022210102 is 2010122203221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223022210107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1324227 + ... + 2049297.

It is an arithmetic number, because the mean of its divisors is an integer number (34442370144).

Almost surely, 2^{1223022210102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223022210102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653233766912).

1223022210102 is an abundant number, since it is smaller than the sum of its proper divisors (2083445323722).

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

1223022210102 is a wasteful number, since it uses less digits than its factorization.

1223022210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726314 (or 726311 counting only the distinct ones).

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

Adding to 1223022210102 its reverse (2010122203221), we get a palindrome (3233144413323).

The spelling of 1223022210102 in words is "one trillion, two hundred twenty-three billion, twenty-two million, two hundred ten thousand, one hundred two".