20010212122001 has 8 divisors (see below), whose sum is σ = 20197332383904. Its totient is φ = 19823093877600.

The previous prime is 20010212121983. The next prime is 20010212122057. The reversal of 20010212122001 is 10022121201002.

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 20010212122001 - 2⁶ = 20010212121937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010212122081) 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, 25816301 + ... + 26580101.

It is an arithmetic number, because the mean of its divisors is an integer number (2524666547988).

Almost surely, 2^{20010212122001} is an apocalyptic number.

It is an amenable number.

20010212122001 is a deficient number, since it is larger than the sum of its proper divisors (187120261903).

20010212122001 is a wasteful number, since it uses less digits than its factorization.

20010212122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008751.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010212122001 its reverse (10022121201002), we get a palindrome (30032333323003).

The spelling of 20010212122001 in words is "twenty trillion, ten billion, two hundred twelve million, one hundred twenty-two thousand, one".