1020202910212 has 12 divisors (see below), whose sum is σ = 1787701162716. Its totient is φ = 509431149440.

The previous prime is 1020202910203. The next prime is 1020202910219. The reversal of 1020202910212 is 2120192020201.

It can be written as a sum of positive squares in 2 ways, for example, as 48389440576 + 971813469636 = 219976^2 + 985806^2 .

It is not an unprimeable number, because it can be changed into a prime (1020202910219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167572993 + ... + 167579080.

It is an arithmetic number, because the mean of its divisors is an integer number (148975096893).

Almost surely, 2^{1020202910212} is an apocalyptic number.

It is an amenable number.

1020202910212 is a deficient number, since it is larger than the sum of its proper divisors (767498252504).

1020202910212 is a wasteful number, since it uses less digits than its factorization.

1020202910212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335152838 (or 335152836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1020202910212 its reverse (2120192020201), we get a palindrome (3140394930413).

The spelling of 1020202910212 in words is "one trillion, twenty billion, two hundred two million, nine hundred ten thousand, two hundred twelve".