20001210001201 has 8 divisors (see below), whose sum is σ = 23497925036544. Its totient is φ = 16784232168720.

The previous prime is 20001210001177. The next prime is 20001210001259. The reversal of 20001210001201 is 10210001210002.

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 20001210001201 - 2⁹ = 20001210000689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001210001601) 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, 69934300561 + ... + 69934300846.

It is an arithmetic number, because the mean of its divisors is an integer number (2937240629568).

Almost surely, 2^{20001210001201} is an apocalyptic number.

It is an amenable number.

20001210001201 is a deficient number, since it is larger than the sum of its proper divisors (3496715035343).

20001210001201 is a wasteful number, since it uses less digits than its factorization.

20001210001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139868601431.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001210001201 its reverse (10210001210002), we get a palindrome (30211211211203).

The spelling of 20001210001201 in words is "twenty trillion, one billion, two hundred ten million, one thousand, two hundred one".