1212001222010 has 32 divisors (see below), whose sum is σ = 2314470082320. Its totient is φ = 455386350592.

The previous prime is 1212001222007. The next prime is 1212001222013. The reversal of 1212001222010 is 102221002121.

It is an interprime number because it is at equal distance from previous prime (1212001222007) and next prime (1212001222013).

It can be written as a sum of positive squares in 8 ways, for example, as 791382822409 + 420618399601 = 889597^2 + 648551^2 .

It is not an unprimeable number, because it can be changed into a prime (1212001222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6916829 + ... + 7089888.

Almost surely, 2^{1212001222010} is an apocalyptic number.

1212001222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212001222010 is a deficient number, since it is larger than the sum of its proper divisors (1102468860310).

1212001222010 is a wasteful number, since it uses less digits than its factorization.

1212001222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14007250.

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

Adding to 1212001222010 its reverse (102221002121), we get a palindrome (1314222224131).

The spelling of 1212001222010 in words is "one trillion, two hundred twelve billion, one million, two hundred twenty-two thousand, ten".