20120100011201 has 2 divisors, whose sum is σ = 20120100011202. Its totient is φ = 20120100011200.

The previous prime is 20120100011197. The next prime is 20120100011213. The reversal of 20120100011201 is 10211000102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14674415718400 + 5445684292801 = 3830720^2 + 2333599^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120100011201 - 2² = 20120100011197 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120100011801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060050005600 + 10060050005601.

It is an arithmetic number, because the mean of its divisors is an integer number (10060050005601).

Almost surely, 2^{20120100011201} is an apocalyptic number.

It is an amenable number.

20120100011201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120100011201 is an equidigital number, since it uses as much as digits as its factorization.

20120100011201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20120100011201 its reverse (10211000102102), we get a palindrome (30331100113303).

Subtracting from 20120100011201 its reverse (10211000102102), we obtain a palindrome (9909099909099).

The spelling of 20120100011201 in words is "twenty trillion, one hundred twenty billion, one hundred million, eleven thousand, two hundred one".