12420355100201 has 2 divisors, whose sum is σ = 12420355100202. Its totient is φ = 12420355100200.

The previous prime is 12420355100183. The next prime is 12420355100249. The reversal of 12420355100201 is 10200155302421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10250729208976 + 2169625891225 = 3201676^2 + 1472965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12420355100201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12420355105201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210177550100 + 6210177550101.

It is an arithmetic number, because the mean of its divisors is an integer number (6210177550101).

Almost surely, 2^{12420355100201} is an apocalyptic number.

It is an amenable number.

12420355100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420355100201 is an equidigital number, since it uses as much as digits as its factorization.

12420355100201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12420355100201 in words is "twelve trillion, four hundred twenty billion, three hundred fifty-five million, one hundred thousand, two hundred one".