1010012021012 has 6 divisors (see below), whose sum is σ = 1767521036778. Its totient is φ = 505006010504.

The previous prime is 1010012020987. The next prime is 1010012021063. The reversal of 1010012021012 is 2101202100101.

It can be written as a sum of positive squares in only one way, i.e., 976962235396 + 33049785616 = 988414^2 + 181796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1010012020984 and 1010012021002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126251502623 + ... + 126251502630.

It is an arithmetic number, because the mean of its divisors is an integer number (294586839463).

Almost surely, 2^{1010012021012} is an apocalyptic number.

It is an amenable number.

1010012021012 is a deficient number, since it is larger than the sum of its proper divisors (757509015766).

1010012021012 is a wasteful number, since it uses less digits than its factorization.

1010012021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252503005257 (or 252503005255 counting only the distinct ones).

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

Adding to 1010012021012 its reverse (2101202100101), we get a palindrome (3111214121113).

The spelling of 1010012021012 in words is "one trillion, ten billion, twelve million, twenty-one thousand, twelve".