212401101373 has 2 divisors, whose sum is σ = 212401101374. Its totient is φ = 212401101372.

The previous prime is 212401101329. The next prime is 212401101379. The reversal of 212401101373 is 373101104212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157782139524 + 54618961849 = 397218^2 + 233707^2 .

It is a cyclic number.

It is not a de Polignac number, because 212401101373 - 2¹³ = 212401093181 is a prime.

It is a super-2 number, since 2×212401101373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212401101379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106200550686 + 106200550687.

It is an arithmetic number, because the mean of its divisors is an integer number (106200550687).

Almost surely, 2^212401101373 is an apocalyptic number.

It is an amenable number.

212401101373 is a deficient number, since it is larger than the sum of its proper divisors (1).

212401101373 is an equidigital number, since it uses as much as digits as its factorization.

212401101373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 212401101373 its reverse (373101104212), we get a palindrome (585502205585).

The spelling of 212401101373 in words is "two hundred twelve billion, four hundred one million, one hundred one thousand, three hundred seventy-three".