1213403210 has 48 divisors (see below), whose sum is σ = 2275693056. Its totient is φ = 465802176.

The previous prime is 1213403207. The next prime is 1213403281. The reversal of 1213403210 is 123043121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1875107 + ... + 1875753.

It is an arithmetic number, because the mean of its divisors is an integer number (47410272).

Almost surely, 2^1213403210 is an apocalyptic number.

1213403210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213403210 is a deficient number, since it is larger than the sum of its proper divisors (1062289846).

1213403210 is a wasteful number, since it uses less digits than its factorization.

1213403210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213403210 is about 34833.9376183629. The cubic root of 1213403210 is about 1066.6003286652.

Adding to 1213403210 its reverse (123043121), we get a palindrome (1336446331).

The spelling of 1213403210 in words is "one billion, two hundred thirteen million, four hundred three thousand, two hundred ten".