1021012102012 has 24 divisors (see below), whose sum is σ = 2097214049504. Its totient is φ = 425750219712.

The previous prime is 1021012101979. The next prime is 1021012102057. The reversal of 1021012102012 is 2102012101201.

It is a junction number, because it is equal to n+sod(n) for n = 1021012101983 and 1021012102001.

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, 492765423 + ... + 492767494.

Almost surely, 2^{1021012102012} is an apocalyptic number.

It is an amenable number.

1021012102012 is an abundant number, since it is smaller than the sum of its proper divisors (1076201947492).

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

1021012102012 is a wasteful number, since it uses less digits than its factorization.

1021012102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985532965 (or 985532963 counting only the distinct ones).

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

Adding to 1021012102012 its reverse (2102012101201), we get a palindrome (3123024203213).

The spelling of 1021012102012 in words is "one trillion, twenty-one billion, twelve million, one hundred two thousand, twelve".