1020102202012 has 6 divisors (see below), whose sum is σ = 1785178853528. Its totient is φ = 510051101004.

The previous prime is 1020102201983. The next prime is 1020102202013. The reversal of 1020102202012 is 2102022010201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020102201983 and 1020102202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020102202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127512775248 + ... + 127512775255.

Almost surely, 2^{1020102202012} is an apocalyptic number.

It is an amenable number.

1020102202012 is a deficient number, since it is larger than the sum of its proper divisors (765076651516).

1020102202012 is a wasteful number, since it uses less digits than its factorization.

1020102202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255025550507 (or 255025550505 counting only the distinct ones).

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

Adding to 1020102202012 its reverse (2102022010201), we get a palindrome (3122124212213).

The spelling of 1020102202012 in words is "one trillion, twenty billion, one hundred two million, two hundred two thousand, twelve".