1021011212012 has 12 divisors (see below), whose sum is σ = 1949203223016. Its totient is φ = 464096005440.

The previous prime is 1021011211999. The next prime is 1021011212027. The reversal of 1021011212012 is 2102121101201.

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, 11602400093 + ... + 11602400180.

It is an arithmetic number, because the mean of its divisors is an integer number (162433601918).

Almost surely, 2^{1021011212012} is an apocalyptic number.

It is an amenable number.

1021011212012 is a deficient number, since it is larger than the sum of its proper divisors (928192011004).

1021011212012 is a wasteful number, since it uses less digits than its factorization.

1021011212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204800288 (or 23204800286 counting only the distinct ones).

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

Adding to 1021011212012 its reverse (2102121101201), we get a palindrome (3123132313213).

The spelling of 1021011212012 in words is "one trillion, twenty-one billion, eleven million, two hundred twelve thousand, twelve".