1210222202212 has 24 divisors (see below), whose sum is σ = 2126187063000. Its totient is φ = 602744733696.

The previous prime is 1210222202183. The next prime is 1210222202227. The reversal of 1210222202212 is 2122022220121.

It can be written as a sum of positive squares in 4 ways, for example, as 520697900836 + 689524301376 = 721594^2 + 830376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210222202212.

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, 496864 + ... + 1633192.

It is an arithmetic number, because the mean of its divisors is an integer number (88591127625).

Almost surely, 2^{1210222202212} is an apocalyptic number.

It is an amenable number.

1210222202212 is a deficient number, since it is larger than the sum of its proper divisors (915964860788).

1210222202212 is a wasteful number, since it uses less digits than its factorization.

1210222202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137375 (or 1137373 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1210222202212 its reverse (2122022220121), we get a palindrome (3332244422333).

The spelling of 1210222202212 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, two hundred two thousand, two hundred twelve".