402212023001 has 2 divisors, whose sum is σ = 402212023002. Its totient is φ = 402212023000.

The previous prime is 402212022977. The next prime is 402212023019. The reversal of 402212023001 is 100320212204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386380344025 + 15831678976 = 621595^2 + 125824^2 .

It is a cyclic number.

It is not a de Polignac number, because 402212023001 - 2¹⁰ = 402212021977 is a prime.

It is a super-2 number, since 2×402212023001² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402212023021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106011500 + 201106011501.

It is an arithmetic number, because the mean of its divisors is an integer number (201106011501).

Almost surely, 2^402212023001 is an apocalyptic number.

It is an amenable number.

402212023001 is a deficient number, since it is larger than the sum of its proper divisors (1).

402212023001 is an equidigital number, since it uses as much as digits as its factorization.

402212023001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 402212023001 its reverse (100320212204), we get a palindrome (502532235205).

The spelling of 402212023001 in words is "four hundred two billion, two hundred twelve million, twenty-three thousand, one".