213011412 has 12 divisors (see below), whose sum is σ = 497026656. Its totient is φ = 71003800.

The previous prime is 213011389. The next prime is 213011453. The reversal of 213011412 is 214110312.

213011412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 213011391 and 213011400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875464 + ... + 8875487.

It is an arithmetic number, because the mean of its divisors is an integer number (41418888).

Almost surely, 2^213011412 is an apocalyptic number.

It is an amenable number.

213011412 is an abundant number, since it is smaller than the sum of its proper divisors (284015244).

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

213011412 is a wasteful number, since it uses less digits than its factorization.

213011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750958 (or 17750956 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 213011412 is about 14594.9104827676. The cubic root of 213011412 is about 597.2199274449.

Adding to 213011412 its reverse (214110312), we get a palindrome (427121724).

The spelling of 213011412 in words is "two hundred thirteen million, eleven thousand, four hundred twelve".