1213002010 has 24 divisors (see below), whose sum is σ = 2399941908. Its totient is φ = 441091200.

The previous prime is 1213001989. The next prime is 1213002017. The reversal of 1213002010 is 102003121.

It can be written as a sum of positive squares in 2 ways, for example, as 1190733049 + 22268961 = 34507^2 + 4719^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1213002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500031 + ... + 502450.

Almost surely, 2^1213002010 is an apocalyptic number.

1213002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213002010 is a deficient number, since it is larger than the sum of its proper divisors (1186939898).

1213002010 is a wasteful number, since it uses less digits than its factorization.

1213002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002510 (or 1002499 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1213002010 is about 34828.1783904929. The cubic root of 1213002010 is about 1066.4827620230.

Adding to 1213002010 its reverse (102003121), we get a palindrome (1315005131).

The spelling of 1213002010 in words is "one billion, two hundred thirteen million, two thousand, ten".