213241505054500 has 96 divisors (see below), whose sum is σ = 502115919308640. Its totient is φ = 78645544819200.

The previous prime is 213241505054371. The next prime is 213241505054621. The reversal of 213241505054500 is 5450505142312.

It can be written as a sum of positive squares in 16 ways, for example, as 203782534158564 + 9458970895936 = 14275242^2 + 3075544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213241505054500.

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, 13003255 + ... + 24404254.

It is an arithmetic number, because the mean of its divisors is an integer number (5230374159465).

Almost surely, 2^{213241505054500} is an apocalyptic number.

213241505054500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213241505054500 is an abundant number, since it is smaller than the sum of its proper divisors (288874414254140).

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

213241505054500 is a wasteful number, since it uses less digits than its factorization.

213241505054500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37408418 (or 37408406 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 213241505054500 in words is "two hundred thirteen trillion, two hundred forty-one billion, five hundred five million, fifty-four thousand, five hundred".