20121201201001 has 8 divisors (see below), whose sum is σ = 20161849968000. Its totient is φ = 20080553737872.

The previous prime is 20121201200951. The next prime is 20121201201011. The reversal of 20121201201001 is 10010210212102.

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

It is a cyclic number.

It is not a de Polignac number, because 20121201201001 - 2¹³ = 20121201192809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20121201201011) 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, 34271151 + ... + 34853323.

It is an arithmetic number, because the mean of its divisors is an integer number (2520231246000).

Almost surely, 2^{20121201201001} is an apocalyptic number.

It is an amenable number.

20121201201001 is a deficient number, since it is larger than the sum of its proper divisors (40648766999).

20121201201001 is an equidigital number, since it uses as much as digits as its factorization.

20121201201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651935.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20121201201001 its reverse (10010210212102), we get a palindrome (30131411413103).

The spelling of 20121201201001 in words is "twenty trillion, one hundred twenty-one billion, two hundred one million, two hundred one thousand, one".