212113153 has 16 divisors (see below), whose sum is σ = 255430656. Its totient is φ = 172204560.

The previous prime is 212113147. The next prime is 212113157. The reversal of 212113153 is 351311212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212113153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212113153.

It is not an unprimeable number, because it can be changed into a prime (212113157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10188 + ... + 22978.

It is an arithmetic number, because the mean of its divisors is an integer number (15964416).

Almost surely, 2^212113153 is an apocalyptic number.

212113153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212113153 is a deficient number, since it is larger than the sum of its proper divisors (43317503).

212113153 is a wasteful number, since it uses less digits than its factorization.

212113153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924.

The product of its digits is 180, while the sum is 19.

The square root of 212113153 is about 14564.1049501849. The cubic root of 212113153 is about 596.3792619703.

Adding to 212113153 its reverse (351311212), we get a palindrome (563424365).

The spelling of 212113153 in words is "two hundred twelve million, one hundred thirteen thousand, one hundred fifty-three".