65890212201 has 48 divisors (see below), whose sum is σ = 106711388160. Its totient is φ = 38839188960.

The previous prime is 65890212197. The next prime is 65890212211. The reversal of 65890212201 is 10221209856.

It is not a de Polignac number, because 65890212201 - 2² = 65890212197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65890212211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461136 + ... + 586878.

It is an arithmetic number, because the mean of its divisors is an integer number (2223153920).

Almost surely, 2^65890212201 is an apocalyptic number.

It is an amenable number.

65890212201 is a deficient number, since it is larger than the sum of its proper divisors (40821175959).

65890212201 is a wasteful number, since it uses less digits than its factorization.

65890212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125906 (or 125903 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 65890212201 in words is "sixty-five billion, eight hundred ninety million, two hundred twelve thousand, two hundred one".