1210020002012 has 12 divisors (see below), whose sum is σ = 2118023057640. Its totient is φ = 604870556976.

The previous prime is 1210020002011. The next prime is 1210020002041. The reversal of 1210020002012 is 2102000200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210020001984 and 1210020002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020002011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34841483 + ... + 34876194.

It is an arithmetic number, because the mean of its divisors is an integer number (176501921470).

Almost surely, 2^{1210020002012} is an apocalyptic number.

It is an amenable number.

1210020002012 is a deficient number, since it is larger than the sum of its proper divisors (908003055628).

1210020002012 is a wasteful number, since it uses less digits than its factorization.

1210020002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69722020 (or 69722018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1210020002012 its reverse (2102000200121), we get a palindrome (3312020202133).

The spelling of 1210020002012 in words is "one trillion, two hundred ten billion, twenty million, two thousand, twelve".