402212041001 has 2 divisors, whose sum is σ = 402212041002. Its totient is φ = 402212041000.

The previous prime is 402212040961. The next prime is 402212041019. The reversal of 402212041001 is 100140212204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249760057600 + 152451983401 = 499760^2 + 390451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402212041001 is a prime.

It is not a weakly prime, because it can be changed into another prime (402212041031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106020500 + 201106020501.

It is an arithmetic number, because the mean of its divisors is an integer number (201106020501).

Almost surely, 2^402212041001 is an apocalyptic number.

It is an amenable number.

402212041001 is a deficient number, since it is larger than the sum of its proper divisors (1).

402212041001 is an equidigital number, since it uses as much as digits as its factorization.

402212041001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 402212041001 its reverse (100140212204), we get a palindrome (502352253205).

The spelling of 402212041001 in words is "four hundred two billion, two hundred twelve million, forty-one thousand, one".