213204214140 has 48 divisors (see below), whose sum is σ = 597164336160. Its totient is φ = 56836120320.

The previous prime is 213204214121. The next prime is 213204214169. The reversal of 213204214140 is 41412402312.

It is a self number, because there is not a number n which added to its sum of digits gives 213204214140.

It is a congruent number.

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, 384931 + ... + 758010.

It is an arithmetic number, because the mean of its divisors is an integer number (12440923670).

Almost surely, 2^213204214140 is an apocalyptic number.

213204214140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213204214140 is an abundant number, since it is smaller than the sum of its proper divisors (383960122020).

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

213204214140 is a wasteful number, since it uses less digits than its factorization.

213204214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146062 (or 1146060 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 213204214140 its reverse (41412402312), we get a palindrome (254616616452).

The spelling of 213204214140 in words is "two hundred thirteen billion, two hundred four million, two hundred fourteen thousand, one hundred forty".