1001000022212 has 24 divisors (see below), whose sum is σ = 1796647450752. Its totient is φ = 487726192800.

The previous prime is 1001000022107. The next prime is 1001000022221. The reversal of 1001000022212 is 2122200001001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001000022193 and 1001000022202.

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, 6677339 + ... + 6825602.

It is an arithmetic number, because the mean of its divisors is an integer number (74860310448).

Almost surely, 2^{1001000022212} is an apocalyptic number.

It is an amenable number.

1001000022212 is a deficient number, since it is larger than the sum of its proper divisors (795647428540).

1001000022212 is a wasteful number, since it uses less digits than its factorization.

1001000022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503419 (or 13503417 counting only the distinct ones).

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

Adding to 1001000022212 its reverse (2122200001001), we get a palindrome (3123200023213).

The spelling of 1001000022212 in words is "one trillion, one billion, twenty-two thousand, two hundred twelve".