20123212123301 has 16 divisors (see below), whose sum is σ = 23101888717824. Its totient is φ = 17170523904384.

The previous prime is 20123212123237. The next prime is 20123212123303. The reversal of 20123212123301 is 10332121232102.

It is a cyclic number.

It is not a de Polignac number, because 20123212123301 - 2⁶ = 20123212123237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123212123303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48084311 + ... + 48501003.

It is an arithmetic number, because the mean of its divisors is an integer number (1443868044864).

Almost surely, 2^{20123212123301} is an apocalyptic number.

It is an amenable number.

20123212123301 is a deficient number, since it is larger than the sum of its proper divisors (2978676594523).

20123212123301 is a wasteful number, since it uses less digits than its factorization.

20123212123301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447860.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20123212123301 its reverse (10332121232102), we get a palindrome (30455333355403).

The spelling of 20123212123301 in words is "twenty trillion, one hundred twenty-three billion, two hundred twelve million, one hundred twenty-three thousand, three hundred one".