64212103 has 4 divisors (see below), whose sum is σ = 64567048. Its totient is φ = 63857160.

The previous prime is 64212101. The next prime is 64212107. The reversal of 64212103 is 30121246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64212103 - 2¹ = 64212101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64212101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177201 + ... + 177562.

It is an arithmetic number, because the mean of its divisors is an integer number (16141762).

Almost surely, 2^64212103 is an apocalyptic number.

64212103 is a deficient number, since it is larger than the sum of its proper divisors (354945).

64212103 is a wasteful number, since it uses less digits than its factorization.

64212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354944.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 64212103 is about 8013.2454723414. The cubic root of 64212103 is about 400.4413939992.

Adding to 64212103 its reverse (30121246), we get a palindrome (94333349).

The spelling of 64212103 in words is "sixty-four million, two hundred twelve thousand, one hundred three".