1010202121012 has 24 divisors (see below), whose sum is σ = 2021226016320. Its totient is φ = 432767671680.

The previous prime is 1010202121007. The next prime is 1010202121057. The reversal of 1010202121012 is 2101212020101.

It is a junction number, because it is equal to n+sod(n) for n = 1010202120983 and 1010202121001.

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, 7267189 + ... + 7404892.

It is an arithmetic number, because the mean of its divisors is an integer number (84217750680).

Almost surely, 2^{1010202121012} is an apocalyptic number.

It is an amenable number.

1010202121012 is an abundant number, since it is smaller than the sum of its proper divisors (1011023895308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010202121012 is a wasteful number, since it uses less digits than its factorization.

1010202121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674551 (or 14674549 counting only the distinct ones).

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

Adding to 1010202121012 its reverse (2101212020101), we get a palindrome (3111414141113).

The spelling of 1010202121012 in words is "one trillion, ten billion, two hundred two million, one hundred twenty-one thousand, twelve".