1212211201010 has 8 divisors (see below), whose sum is σ = 2181980161836. Its totient is φ = 484884480400.

The previous prime is 1212211201001. The next prime is 1212211201039. The reversal of 1212211201010 is 101021122121.

It can be written as a sum of positive squares in 2 ways, for example, as 1112588272849 + 99622928161 = 1054793^2 + 315631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 60610560041 + ... + 60610560060.

Almost surely, 2^{1212211201010} is an apocalyptic number.

1212211201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212211201010 is a deficient number, since it is larger than the sum of its proper divisors (969768960826).

1212211201010 is a wasteful number, since it uses less digits than its factorization.

1212211201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121221120108.

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

Adding to 1212211201010 its reverse (101021122121), we get a palindrome (1313232323131).

It can be divided in two parts, 121221 and 1201010, that added together give a palindrome (1322231).

The spelling of 1212211201010 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred one thousand, ten".