1001200002212 has 6 divisors (see below), whose sum is σ = 1752100003878. Its totient is φ = 500600001104.

The previous prime is 1001200002211. The next prime is 1001200002239. The reversal of 1001200002212 is 2122000021001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 543000976996 + 458199025216 = 736886^2 + 676904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001200002193 and 1001200002202.

It is not an unprimeable number, because it can be changed into a prime (1001200002211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125150000273 + ... + 125150000280.

It is an arithmetic number, because the mean of its divisors is an integer number (292016667313).

Almost surely, 2^{1001200002212} is an apocalyptic number.

It is an amenable number.

1001200002212 is a deficient number, since it is larger than the sum of its proper divisors (750900001666).

1001200002212 is a wasteful number, since it uses less digits than its factorization.

1001200002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250300000557 (or 250300000555 counting only the distinct ones).

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

Adding to 1001200002212 its reverse (2122000021001), we get a palindrome (3123200023213).

The spelling of 1001200002212 in words is "one trillion, one billion, two hundred million, two thousand, two hundred twelve".