1011020211212 has 12 divisors (see below), whose sum is σ = 1930129494216. Its totient is φ = 459554641440.

The previous prime is 1011020211199. The next prime is 1011020211239. The reversal of 1011020211212 is 2121120201101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11488865993 + ... + 11488866080.

It is an arithmetic number, because the mean of its divisors is an integer number (160844124518).

Almost surely, 2^{1011020211212} is an apocalyptic number.

It is an amenable number.

1011020211212 is a deficient number, since it is larger than the sum of its proper divisors (919109283004).

1011020211212 is a wasteful number, since it uses less digits than its factorization.

1011020211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22977732088 (or 22977732086 counting only the distinct ones).

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

Adding to 1011020211212 its reverse (2121120201101), we get a palindrome (3132140412313).

The spelling of 1011020211212 in words is "one trillion, eleven billion, twenty million, two hundred eleven thousand, two hundred twelve".