1020001011212 has 48 divisors (see below), whose sum is σ = 1887057137280. Its totient is φ = 481077273600.

The previous prime is 1020001011209. The next prime is 1020001011241. The reversal of 1020001011212 is 2121101000201.

1020001011212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1020001011193 and 1020001011202.

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, 19772012 + ... + 19823532.

It is an arithmetic number, because the mean of its divisors is an integer number (39313690360).

Almost surely, 2^{1020001011212} is an apocalyptic number.

It is an amenable number.

1020001011212 is a deficient number, since it is larger than the sum of its proper divisors (867056126068).

1020001011212 is a wasteful number, since it uses less digits than its factorization.

1020001011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52662 (or 52660 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020001011212 its reverse (2121101000201), we get a palindrome (3141102011413).

The spelling of 1020001011212 in words is "one trillion, twenty billion, one million, eleven thousand, two hundred twelve".