1212002113 has 12 divisors (see below), whose sum is σ = 1439880192. Its totient is φ = 1016753640.

The previous prime is 1212002111. The next prime is 1212002117. The reversal of 1212002113 is 3112002121.

It is not a de Polignac number, because 1212002113 - 2¹ = 1212002111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212002093 and 1212002102.

It is not an unprimeable number, because it can be changed into a prime (1212002111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260833 + ... + 265438.

It is an arithmetic number, because the mean of its divisors is an integer number (119990016).

Almost surely, 2^1212002113 is an apocalyptic number.

It is an amenable number.

1212002113 is a deficient number, since it is larger than the sum of its proper divisors (227878079).

1212002113 is an equidigital number, since it uses as much as digits as its factorization.

1212002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526332 (or 526325 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1212002113 is about 34813.8207182148. The cubic root of 1212002113 is about 1066.1896418553.

Adding to 1212002113 its reverse (3112002121), we get a palindrome (4324004234).

The spelling of 1212002113 in words is "one billion, two hundred twelve million, two thousand, one hundred thirteen".