1210000002 has 16 divisors (see below), whose sum is σ = 2503448640. Its totient is φ = 389425232.

The previous prime is 1209999997. The next prime is 1210000013. The reversal of 1210000002 is 2000000121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3476838 + ... + 3477185.

It is an arithmetic number, because the mean of its divisors is an integer number (156465540).

Almost surely, 2^1210000002 is an apocalyptic number.

1210000002 is an abundant number, since it is smaller than the sum of its proper divisors (1293448638).

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

1210000002 is a wasteful number, since it uses less digits than its factorization.

1210000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954057.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1210000002 is about 34785.0542906002. The cubic root of 1210000002 is about 1065.6022373537.

Adding to 1210000002 its reverse (2000000121), we get a palindrome (3210000123).

The spelling of 1210000002 in words is "one billion, two hundred ten million, two", and thus it is an aban number.