123112032001 has 32 divisors (see below), whose sum is σ = 148505600000. Its totient is φ = 101911536720.

The previous prime is 123112031981. The next prime is 123112032067. The reversal of 123112032001 is 100230211321.

It is not a de Polignac number, because 123112032001 - 2⁵ = 123112031969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123112038001) 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, 5294266 + ... + 5317468.

It is an arithmetic number, because the mean of its divisors is an integer number (4640800000).

Almost surely, 2^123112032001 is an apocalyptic number.

It is an amenable number.

123112032001 is a deficient number, since it is larger than the sum of its proper divisors (25393567999).

123112032001 is an equidigital number, since it uses as much as digits as its factorization.

123112032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23754 (or 23740 counting only the distinct ones).

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

Adding to 123112032001 its reverse (100230211321), we get a palindrome (223342243322).

The spelling of 123112032001 in words is "one hundred twenty-three billion, one hundred twelve million, thirty-two thousand, one".