1002001110212 has 6 divisors (see below), whose sum is σ = 1753501942878. Its totient is φ = 501000555104.

The previous prime is 1002001110193. The next prime is 1002001110269. The reversal of 1002001110212 is 2120111002001.

It can be written as a sum of positive squares in only one way, i.e., 1000048000576 + 1953109636 = 1000024^2 + 44194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002001110193 and 1002001110202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125250138773 + ... + 125250138780.

It is an arithmetic number, because the mean of its divisors is an integer number (292250323813).

Almost surely, 2^{1002001110212} is an apocalyptic number.

It is an amenable number.

1002001110212 is a deficient number, since it is larger than the sum of its proper divisors (751500832666).

1002001110212 is a wasteful number, since it uses less digits than its factorization.

1002001110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250500277557 (or 250500277555 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002001110212 its reverse (2120111002001), we get a palindrome (3122112112213).

The spelling of 1002001110212 in words is "one trillion, two billion, one million, one hundred ten thousand, two hundred twelve".