123101001020032 has 64 divisors (see below), whose sum is σ = 280313257910400. Its totient is φ = 52750295184384.

The previous prime is 123101001019991. The next prime is 123101001020047. The reversal of 123101001020032 is 230020100101321.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 123101001019988 and 123101001020015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972532 + ... + 15969907.

It is an arithmetic number, because the mean of its divisors is an integer number (4379894654850).

Almost surely, 2^{123101001020032} is an apocalyptic number.

It is an amenable number.

123101001020032 is an abundant number, since it is smaller than the sum of its proper divisors (157212256890368).

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

123101001020032 is an equidigital number, since it uses as much as digits as its factorization.

123101001020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18949713 (or 18949701 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123101001020032 its reverse (230020100101321), we get a palindrome (353121101121353).

The spelling of 123101001020032 in words is "one hundred twenty-three trillion, one hundred one billion, one million, twenty thousand, thirty-two".