123216364002 has 64 divisors (see below), whose sum is σ = 260497036800. Its totient is φ = 38790850560.

The previous prime is 123216363997. The next prime is 123216364009. The reversal of 123216364002 is 200463612321.

It is a super-2 number, since 2×123216364002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123216364009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22315002 + ... + 22320522.

It is an arithmetic number, because the mean of its divisors is an integer number (4070266200).

Almost surely, 2^123216364002 is an apocalyptic number.

123216364002 is an abundant number, since it is smaller than the sum of its proper divisors (137280672798).

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

123216364002 is a wasteful number, since it uses less digits than its factorization.

123216364002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 123216364002 its reverse (200463612321), we get a palindrome (323679976323).

The spelling of 123216364002 in words is "one hundred twenty-three billion, two hundred sixteen million, three hundred sixty-four thousand, two".