213053412 has 72 divisors (see below), whose sum is σ = 588511168. Its totient is φ = 59590080.

The previous prime is 213053389. The next prime is 213053429. The reversal of 213053412 is 214350312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13233 + ... + 24519.

Almost surely, 2^213053412 is an apocalyptic number.

213053412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213053412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294255584).

213053412 is an abundant number, since it is smaller than the sum of its proper divisors (375457756).

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

213053412 is a wasteful number, since it uses less digits than its factorization.

213053412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329 (or 11316 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213053412 is about 14596.3492695948. The cubic root of 213053412 is about 597.2591766543.

The spelling of 213053412 in words is "two hundred thirteen million, fifty-three thousand, four hundred twelve".