1000001111212 has 12 divisors (see below), whose sum is σ = 1760117564016. Its totient is φ = 497110378640.

The previous prime is 1000001111159. The next prime is 1000001111233. The reversal of 1000001111212 is 2121111000001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722543464 + ... + 722544847.

It is an arithmetic number, because the mean of its divisors is an integer number (146676463668).

Almost surely, 2^{1000001111212} is an apocalyptic number.

It is an amenable number.

1000001111212 is a deficient number, since it is larger than the sum of its proper divisors (760116452804).

1000001111212 is a wasteful number, since it uses less digits than its factorization.

1000001111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445088488 (or 1445088486 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000001111212 its reverse (2121111000001), we get a palindrome (3121112111213).

The spelling of 1000001111212 in words is "one trillion, one million, one hundred eleven thousand, two hundred twelve".