123215013200 has 60 divisors (see below), whose sum is σ = 296067309408. Its totient is φ = 49278806400.

The previous prime is 123215013199. The next prime is 123215013287. The reversal of 123215013200 is 2310512321.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3350915 + ... + 3387485.

Almost surely, 2^123215013200 is an apocalyptic number.

123215013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123215013200 is an abundant number, since it is smaller than the sum of its proper divisors (172852296208).

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

123215013200 is a wasteful number, since it uses less digits than its factorization.

123215013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45012 (or 45001 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 123215013200 its reverse (2310512321), we get a palindrome (125525525521).

The spelling of 123215013200 in words is "one hundred twenty-three billion, two hundred fifteen million, thirteen thousand, two hundred".