123020210030201 has 32 divisors (see below), whose sum is σ = 143544247531776. Its totient is φ = 104187741696000.

The previous prime is 123020210030197. The next prime is 123020210030227. The reversal of 123020210030201 is 102030012020321.

It is not a de Polignac number, because 123020210030201 - 2² = 123020210030197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123020210030201.

It is not an unprimeable number, because it can be changed into a prime (123020210030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40145231 + ... + 43100811.

It is an arithmetic number, because the mean of its divisors is an integer number (4485757735368).

Almost surely, 2^{123020210030201} is an apocalyptic number.

123020210030201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123020210030201 is a deficient number, since it is larger than the sum of its proper divisors (20524037501575).

123020210030201 is a wasteful number, since it uses less digits than its factorization.

123020210030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957873.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123020210030201 its reverse (102030012020321), we get a palindrome (225050222050522).

The spelling of 123020210030201 in words is "one hundred twenty-three trillion, twenty billion, two hundred ten million, thirty thousand, two hundred one".