1011021202012 has 12 divisors (see below), whose sum is σ = 1769294142000. Its totient is φ = 505508590016.

The previous prime is 1011021201973. The next prime is 1011021202091. The reversal of 1011021202012 is 2102021201101.

It is a junction number, because it is equal to n+sod(n) for n = 1011021201983 and 1011021202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757364 + ... + 2260612.

It is an arithmetic number, because the mean of its divisors is an integer number (147441178500).

Almost surely, 2^{1011021202012} is an apocalyptic number.

It is an amenable number.

1011021202012 is a deficient number, since it is larger than the sum of its proper divisors (758272939988).

1011021202012 is a wasteful number, since it uses less digits than its factorization.

1011021202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005500 (or 1005498 counting only the distinct ones).

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

Adding to 1011021202012 its reverse (2102021201101), we get a palindrome (3113042403113).

The spelling of 1011021202012 in words is "one trillion, eleven billion, twenty-one million, two hundred two thousand, twelve".