213513111412 has 6 divisors (see below), whose sum is σ = 373647944978. Its totient is φ = 106756555704.

The previous prime is 213513111403. The next prime is 213513111431. The reversal of 213513111412 is 214111315312.

213513111412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166395463056 + 47117648356 = 407916^2 + 217066^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26689138923 + ... + 26689138930.

Almost surely, 2^213513111412 is an apocalyptic number.

It is an amenable number.

213513111412 is a deficient number, since it is larger than the sum of its proper divisors (160134833566).

213513111412 is a wasteful number, since it uses less digits than its factorization.

213513111412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53378277857 (or 53378277855 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

Adding to 213513111412 its reverse (214111315312), we get a palindrome (427624426724).

The spelling of 213513111412 in words is "two hundred thirteen billion, five hundred thirteen million, one hundred eleven thousand, four hundred twelve".