1010000001212 has 24 divisors (see below), whose sum is σ = 1785365373792. Its totient is φ = 499897656000.

The previous prime is 1010000001187. The next prime is 1010000001281. The reversal of 1010000001212 is 2121000000101.

It is a self number, because there is not a number n which added to its sum of digits gives 1010000001212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739537 + ... + 2246327.

It is an arithmetic number, because the mean of its divisors is an integer number (74390223908).

Almost surely, 2^{1010000001212} is an apocalyptic number.

It is an amenable number.

1010000001212 is a deficient number, since it is larger than the sum of its proper divisors (775365372580).

1010000001212 is a wasteful number, since it uses less digits than its factorization.

1010000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511829 (or 511827 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1010000001212 its reverse (2121000000101), we get a palindrome (3131000001313).

The spelling of 1010000001212 in words is "one trillion, ten billion, one thousand, two hundred twelve".