12020123101 has 8 divisors (see below), whose sum is σ = 13742413760. Its totient is φ = 10299115008.

The previous prime is 12020123069. The next prime is 12020123113. The reversal of 12020123101 is 10132102021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020123101 - 2⁵ = 12020123069 is a prime.

It is a super-3 number, since 3×12020123101³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020123161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300471 + ... + 338116.

It is an arithmetic number, because the mean of its divisors is an integer number (1717801720).

Almost surely, 2^12020123101 is an apocalyptic number.

It is an amenable number.

12020123101 is a deficient number, since it is larger than the sum of its proper divisors (1722290659).

12020123101 is an equidigital number, since it uses as much as digits as its factorization.

12020123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641283.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12020123101 its reverse (10132102021), we get a palindrome (22152225122).

The spelling of 12020123101 in words is "twelve billion, twenty million, one hundred twenty-three thousand, one hundred one".