20123201302101 has 24 divisors (see below), whose sum is σ = 30776937033024. Its totient is φ = 12626209065600.

The previous prime is 20123201302093. The next prime is 20123201302103. The reversal of 20123201302101 is 10120310232102.

20123201302101 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 320 + 130 + 210 + 1 = 666.

It is not a de Polignac number, because 20123201302101 - 2³ = 20123201302093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123201302103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18530826 + ... + 19586676.

It is an arithmetic number, because the mean of its divisors is an integer number (1282372376376).

Almost surely, 2^{20123201302101} is an apocalyptic number.

It is an amenable number.

20123201302101 is a deficient number, since it is larger than the sum of its proper divisors (10653735730923).

20123201302101 is a wasteful number, since it uses less digits than its factorization.

20123201302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180441 (or 1180438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20123201302101 its reverse (10120310232102), we get a palindrome (30243511534203).

The spelling of 20123201302101 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, three hundred two thousand, one hundred one".