212858401 has 12 divisors (see below), whose sum is σ = 248209920. Its totient is φ = 182008680.

The previous prime is 212858381. The next prime is 212858483. The reversal of 212858401 is 104858212.

It is not a de Polignac number, because 212858401 - 2⁹ = 212857889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212858801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16080 + ... + 26158.

It is an arithmetic number, because the mean of its divisors is an integer number (20684160).

Almost surely, 2^212858401 is an apocalyptic number.

It is an amenable number.

212858401 is a deficient number, since it is larger than the sum of its proper divisors (35351519).

212858401 is a wasteful number, since it uses less digits than its factorization.

212858401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524 (or 10517 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 212858401 is about 14589.6676110184. The cubic root of 212858401 is about 597.0768942515.

The spelling of 212858401 in words is "two hundred twelve million, eight hundred fifty-eight thousand, four hundred one".