1020102011212 has 12 divisors (see below), whose sum is σ = 1785249004896. Its totient is φ = 510030866960.

The previous prime is 1020102011207. The next prime is 1020102011351. The reversal of 1020102011212 is 2121102010201.

It is a super-2 number, since 2×1020102011212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020102011192 and 1020102011201.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4920403 + ... + 5123530.

It is an arithmetic number, because the mean of its divisors is an integer number (148770750408).

Almost surely, 2^{1020102011212} is an apocalyptic number.

It is an amenable number.

1020102011212 is a deficient number, since it is larger than the sum of its proper divisors (765146993684).

1020102011212 is a wasteful number, since it uses less digits than its factorization.

1020102011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069328 (or 10069326 counting only the distinct ones).

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

Adding to 1020102011212 its reverse (2121102010201), we get a palindrome (3141204021413).

The spelling of 1020102011212 in words is "one trillion, twenty billion, one hundred two million, eleven thousand, two hundred twelve".