212216371124774 has 16 divisors (see below), whose sum is σ = 320231707891200. Its totient is φ = 105472472526984.

The previous prime is 212216371124773. The next prime is 212216371124861. The reversal of 212216371124774 is 477421173612212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212216371124773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129767717 + ... + 131392895.

It is an arithmetic number, because the mean of its divisors is an integer number (20014481743200).

Almost surely, 2^{212216371124774} is an apocalyptic number.

212216371124774 is a deficient number, since it is larger than the sum of its proper divisors (108015336766426).

212216371124774 is a wasteful number, since it uses less digits than its factorization.

212216371124774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016307.

The product of its digits is 1580544, while the sum is 50.

The spelling of 212216371124774 in words is "two hundred twelve trillion, two hundred sixteen billion, three hundred seventy-one million, one hundred twenty-four thousand, seven hundred seventy-four".