1022201312212 has 24 divisors (see below), whose sum is σ = 1807672759200. Its totient is φ = 505745741280.

The previous prime is 1022201312179. The next prime is 1022201312287. The reversal of 1022201312212 is 2122131022201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022201312212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611918 + ... + 2977669.

It is an arithmetic number, because the mean of its divisors is an integer number (75319698300).

Almost surely, 2^{1022201312212} is an apocalyptic number.

It is an amenable number.

1022201312212 is a deficient number, since it is larger than the sum of its proper divisors (785471446988).

1022201312212 is a wasteful number, since it uses less digits than its factorization.

1022201312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590071 (or 5590069 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1022201312212 its reverse (2122131022201), we get a palindrome (3144332334413).

The spelling of 1022201312212 in words is "one trillion, twenty-two billion, two hundred one million, three hundred twelve thousand, two hundred twelve".