401202412187 has 2 divisors, whose sum is σ = 401202412188. Its totient is φ = 401202412186.

The previous prime is 401202412183. The next prime is 401202412217. The reversal of 401202412187 is 781214202104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401202412187 - 2² = 401202412183 is a prime.

It is a super-2 number, since 2×401202412187² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401202412183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200601206093 + 200601206094.

It is an arithmetic number, because the mean of its divisors is an integer number (200601206094).

Almost surely, 2^401202412187 is an apocalyptic number.

401202412187 is a deficient number, since it is larger than the sum of its proper divisors (1).

401202412187 is an equidigital number, since it uses as much as digits as its factorization.

401202412187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 401202412187 in words is "four hundred one billion, two hundred two million, four hundred twelve thousand, one hundred eighty-seven".