212428112365 has 32 divisors (see below), whose sum is σ = 293116320000. Its totient is φ = 144774440448.

The previous prime is 212428112333. The next prime is 212428112381. The reversal of 212428112365 is 563211824212.

It is a cyclic number.

It is not a de Polignac number, because 212428112365 - 2⁵ = 212428112333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3917961 + ... + 3971809.

It is an arithmetic number, because the mean of its divisors is an integer number (9159885000).

Almost surely, 2^212428112365 is an apocalyptic number.

It is an amenable number.

212428112365 is a deficient number, since it is larger than the sum of its proper divisors (80688207635).

212428112365 is a wasteful number, since it uses less digits than its factorization.

212428112365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54549.

The product of its digits is 46080, while the sum is 37.

Adding to 212428112365 its reverse (563211824212), we get a palindrome (775639936577).

The spelling of 212428112365 in words is "two hundred twelve billion, four hundred twenty-eight million, one hundred twelve thousand, three hundred sixty-five".