10001211220012 has 6 divisors (see below), whose sum is σ = 17502119635028. Its totient is φ = 5000605610004.

The previous prime is 10001211219971. The next prime is 10001211220031. The reversal of 10001211220012 is 21002211210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001211219974 and 10001211220001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250151402498 + ... + 1250151402505.

Almost surely, 2^{10001211220012} is an apocalyptic number.

It is an amenable number.

10001211220012 is a deficient number, since it is larger than the sum of its proper divisors (7500908415016).

10001211220012 is a wasteful number, since it uses less digits than its factorization.

10001211220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500302805007 (or 2500302805005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10001211220012 its reverse (21002211210001), we get a palindrome (31003422430013).

The spelling of 10001211220012 in words is "ten trillion, one billion, two hundred eleven million, two hundred twenty thousand, twelve".