2103213000 has 128 divisors (see below), whose sum is σ = 7499531520. Its totient is φ = 480729600.

The previous prime is 2103212983. The next prime is 2103213019. The reversal of 2103213000 is 3123012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29077 + ... + 71076.

It is an arithmetic number, because the mean of its divisors is an integer number (58590090).

Almost surely, 2^2103213000 is an apocalyptic number.

2103213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103213000 is an abundant number, since it is smaller than the sum of its proper divisors (5396318520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103213000 is a wasteful number, since it uses less digits than its factorization.

2103213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100184 (or 100170 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2103213000 is about 45860.8002546837. The cubic root of 2103213000 is about 1281.2319275658.

Adding to 2103213000 its reverse (3123012), we get a palindrome (2106336012).

The spelling of 2103213000 in words is "two billion, one hundred three million, two hundred thirteen thousand".