123445211214 has 64 divisors (see below), whose sum is σ = 269488618560. Its totient is φ = 37470643200.

The previous prime is 123445211203. The next prime is 123445211233. The reversal of 123445211214 is 412112544321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2153922 + ... + 2210490.

It is an arithmetic number, because the mean of its divisors is an integer number (4210759665).

Almost surely, 2^123445211214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123445211214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134744309280).

123445211214 is an abundant number, since it is smaller than the sum of its proper divisors (146043407346).

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

123445211214 is a wasteful number, since it uses less digits than its factorization.

123445211214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56965.

The product of its digits is 7680, while the sum is 30.

Adding to 123445211214 its reverse (412112544321), we get a palindrome (535557755535).

The spelling of 123445211214 in words is "one hundred twenty-three billion, four hundred forty-five million, two hundred eleven thousand, two hundred fourteen".