212533623474 has 32 divisors (see below), whose sum is σ = 435464539776. Its totient is φ = 69111895680.

The previous prime is 212533623457. The next prime is 212533623503. The reversal of 212533623474 is 474326335212.

It is a super-2 number, since 2×212533623474² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6479764 + ... + 6512480.

It is an arithmetic number, because the mean of its divisors is an integer number (13608266868).

Almost surely, 2^212533623474 is an apocalyptic number.

212533623474 is an abundant number, since it is smaller than the sum of its proper divisors (222930916302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212533623474 is a wasteful number, since it uses less digits than its factorization.

212533623474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59170.

The product of its digits is 725760, while the sum is 42.

Adding to 212533623474 its reverse (474326335212), we get a palindrome (686859958686).

The spelling of 212533623474 in words is "two hundred twelve billion, five hundred thirty-three million, six hundred twenty-three thousand, four hundred seventy-four".