212801701 has 16 divisors (see below), whose sum is σ = 251576320. Its totient is φ = 176145840.

The previous prime is 212801657. The next prime is 212801717. The reversal of 212801701 is 107108212.

212801701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212801701 - 2⁷ = 212801573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212804701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159700 + ... + 161026.

It is an arithmetic number, because the mean of its divisors is an integer number (15723520).

Almost surely, 2^212801701 is an apocalyptic number.

It is an amenable number.

212801701 is a deficient number, since it is larger than the sum of its proper divisors (38774619).

212801701 is a wasteful number, since it uses less digits than its factorization.

212801701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 212801701 is about 14587.7243256102. The cubic root of 212801701 is about 597.0238742373.

Adding to 212801701 its reverse (107108212), we get a palindrome (319909913).

The spelling of 212801701 in words is "two hundred twelve million, eight hundred one thousand, seven hundred one".