20001210012201 has 32 divisors (see below), whose sum is σ = 29894862412800. Its totient is φ = 11788047046080.

The previous prime is 20001210012059. The next prime is 20001210012209. The reversal of 20001210012201 is 10221001210002.

It is not a de Polignac number, because 20001210012201 - 2¹¹ = 20001210010153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001210012209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2064711 + ... + 6653228.

It is an arithmetic number, because the mean of its divisors is an integer number (934214450400).

Almost surely, 2^{20001210012201} is an apocalyptic number.

It is an amenable number.

20001210012201 is a deficient number, since it is larger than the sum of its proper divisors (9893652400599).

20001210012201 is a wasteful number, since it uses less digits than its factorization.

20001210012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719869.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001210012201 its reverse (10221001210002), we get a palindrome (30222211222203).

The spelling of 20001210012201 in words is "twenty trillion, one billion, two hundred ten million, twelve thousand, two hundred one".