213445232212400 has 60 divisors (see below), whose sum is σ = 513782672175672. Its totient is φ = 85214845969920.

The previous prime is 213445232212343. The next prime is 213445232212409. The reversal of 213445232212400 is 4212232544312.

It is not an unprimeable number, because it can be changed into a prime (213445232212409) 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, 509937149 + ... + 510355548.

Almost surely, 2^{213445232212400} is an apocalyptic number.

213445232212400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213445232212400 is an abundant number, since it is smaller than the sum of its proper divisors (300337439963272).

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

213445232212400 is a wasteful number, since it uses less digits than its factorization.

213445232212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020293238 (or 1020293227 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 213445232212400 its reverse (4212232544312), we get a palindrome (217657464756712).

The spelling of 213445232212400 in words is "two hundred thirteen trillion, four hundred forty-five billion, two hundred thirty-two million, two hundred twelve thousand, four hundred".