1223212201010 has 16 divisors (see below), whose sum is σ = 2201796000000. Its totient is φ = 489281760816.

The previous prime is 1223212200949. The next prime is 1223212201021. The reversal of 1223212201010 is 101022123221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223212201010.

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, 1893791 + ... + 2456189.

It is an arithmetic number, because the mean of its divisors is an integer number (137612250000).

Almost surely, 2^{1223212201010} is an apocalyptic number.

1223212201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223212201010 is a deficient number, since it is larger than the sum of its proper divisors (978583798990).

1223212201010 is a wasteful number, since it uses less digits than its factorization.

1223212201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779905.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1223212201010 its reverse (101022123221), we get a palindrome (1324234324231).

The spelling of 1223212201010 in words is "one trillion, two hundred twenty-three billion, two hundred twelve million, two hundred one thousand, ten".