1020011212112 has 80 divisors (see below), whose sum is σ = 2114073333504. Its totient is φ = 475065600000.

The previous prime is 1020011212109. The next prime is 1020011212211. The reversal of 1020011212112 is 2112121100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89855237 + ... + 89866587.

Almost surely, 2^{1020011212112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020011212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057036666752).

1020011212112 is an abundant number, since it is smaller than the sum of its proper divisors (1094062121392).

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

1020011212112 is a wasteful number, since it uses less digits than its factorization.

1020011212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748 (or 14742 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1020011212112 its reverse (2112121100201), we get a palindrome (3132132312313).

The spelling of 1020011212112 in words is "one trillion, twenty billion, eleven million, two hundred twelve thousand, one hundred twelve".