212013103 has 16 divisors (see below), whose sum is σ = 235085760. Its totient is φ = 190181376.

The previous prime is 212013101. The next prime is 212013107. The reversal of 212013103 is 301310212.

It is a cyclic number.

It is not a de Polignac number, because 212013103 - 2¹ = 212013101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130963 + ... + 132571.

It is an arithmetic number, because the mean of its divisors is an integer number (14692860).

Almost surely, 2^212013103 is an apocalyptic number.

212013103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212013103 is a deficient number, since it is larger than the sum of its proper divisors (23072657).

212013103 is a wasteful number, since it uses less digits than its factorization.

212013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212013103 is about 14560.6697304760. The cubic root of 212013103 is about 596.2854800617.

Adding to 212013103 its reverse (301310212), we get a palindrome (513323315).

The spelling of 212013103 in words is "two hundred twelve million, thirteen thousand, one hundred three".