1011202012012 has 6 divisors (see below), whose sum is σ = 1769603521028. Its totient is φ = 505601006004.

The previous prime is 1011202012001. The next prime is 1011202012021. The reversal of 1011202012012 is 2102102021101.

It is a junction number, because it is equal to n+sod(n) for n = 1011202011983 and 1011202012001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126400251498 + ... + 126400251505.

Almost surely, 2^{1011202012012} is an apocalyptic number.

It is an amenable number.

1011202012012 is a deficient number, since it is larger than the sum of its proper divisors (758401509016).

1011202012012 is a wasteful number, since it uses less digits than its factorization.

1011202012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252800503007 (or 252800503005 counting only the distinct ones).

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

Adding to 1011202012012 its reverse (2102102021101), we get a palindrome (3113304033113).

The spelling of 1011202012012 in words is "one trillion, eleven billion, two hundred two million, twelve thousand, twelve".