1021210220012 has 48 divisors (see below), whose sum is σ = 1843165779840. Its totient is φ = 494792540928.

The previous prime is 1021210220003. The next prime is 1021210220071. The reversal of 1021210220012 is 2100220121201.

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, 13292903 + ... + 13369505.

It is an arithmetic number, because the mean of its divisors is an integer number (38399287080).

Almost surely, 2^{1021210220012} is an apocalyptic number.

It is an amenable number.

1021210220012 is a deficient number, since it is larger than the sum of its proper divisors (821955559828).

1021210220012 is a wasteful number, since it uses less digits than its factorization.

1021210220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77262 (or 77260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021210220012 its reverse (2100220121201), we get a palindrome (3121430341213).

The spelling of 1021210220012 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred twenty thousand, twelve".