123022001121000 has 128 divisors (see below), whose sum is σ = 384085742976000. Its totient is φ = 32783892652800.

The previous prime is 123022001120947. The next prime is 123022001121007. The reversal of 123022001121000 is 121100220321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (123022001121007) 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, 9254200 + ... + 18212199.

It is an arithmetic number, because the mean of its divisors is an integer number (3000669867000).

Almost surely, 2^{123022001121000} is an apocalyptic number.

123022001121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123022001121000 is an abundant number, since it is smaller than the sum of its proper divisors (261063741855000).

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

123022001121000 is a wasteful number, since it uses less digits than its factorization.

123022001121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27467916 (or 27467902 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 123022001121000 its reverse (121100220321), we get a palindrome (123143101341321).

The spelling of 123022001121000 in words is "one hundred twenty-three trillion, twenty-two billion, one million, one hundred twenty-one thousand".