123023212200000 has 756 divisors, whose sum is σ = 512711379504324. Its totient is φ = 28119571200000.

The previous prime is 123023212199981. The next prime is 123023212200017. The reversal of 123023212200000 is 2212320321.

123023212200000 is a `hidden beast` number, since 1 + 230 + 23 + 212 + 200 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 73586338749504 + 49436873450496 = 8578248^2 + 7031136^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 87502590 + ... + 88897410.

It is an arithmetic number, because the mean of its divisors is an integer number (678189655429).

Almost surely, 2^{123023212200000} is an apocalyptic number.

123023212200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123023212200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256355689752162).

123023212200000 is an abundant number, since it is smaller than the sum of its proper divisors (389688167304324).

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

123023212200000 is an equidigital number, since it uses as much as digits as its factorization.

123023212200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394878 (or 1394838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 123023212200000 its reverse (2212320321), we get a palindrome (123025424520321).

The spelling of 123023212200000 in words is "one hundred twenty-three trillion, twenty-three billion, two hundred twelve million, two hundred thousand".