1021022002012 has 24 divisors (see below), whose sum is σ = 1798099107840. Its totient is φ = 507285221040.

The previous prime is 1021022001973. The next prime is 1021022002043. The reversal of 1021022002012 is 2102002201201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021022001983 and 1021022002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24988 + ... + 1429219.

It is an arithmetic number, because the mean of its divisors is an integer number (74920796160).

Almost surely, 2^{1021022002012} is an apocalyptic number.

It is an amenable number.

1021022002012 is a deficient number, since it is larger than the sum of its proper divisors (777077105828).

1021022002012 is a wasteful number, since it uses less digits than its factorization.

1021022002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455321 (or 1455319 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1021022002012 its reverse (2102002201201), we get a palindrome (3123024203213).

The spelling of 1021022002012 in words is "one trillion, twenty-one billion, twenty-two million, two thousand, twelve".