212113473 has 64 divisors (see below), whose sum is σ = 357073920. Its totient is φ = 110073600.

The previous prime is 212113457. The next prime is 212113481. The reversal of 212113473 is 374311212.

It is a happy number.

It is not a de Polignac number, because 212113473 - 2⁴ = 212113457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212113493) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431758 + ... + 432248.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^212113473 is an apocalyptic number.

It is an amenable number.

212113473 is a deficient number, since it is larger than the sum of its proper divisors (144960447).

212113473 is a wasteful number, since it uses less digits than its factorization.

212113473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 1008, while the sum is 24.

The square root of 212113473 is about 14564.1159360944. The cubic root of 212113473 is about 596.3795618752.

Adding to 212113473 its reverse (374311212), we get a palindrome (586424685).

The spelling of 212113473 in words is "two hundred twelve million, one hundred thirteen thousand, four hundred seventy-three".