1212211213010 has 32 divisors (see below), whose sum is σ = 2512727471232. Its totient is φ = 412442634240.

The previous prime is 1212211213007. The next prime is 1212211213013. The reversal of 1212211213010 is 103121122121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1212211213007) and next prime (1212211213013).

It is a self number, because there is not a number n which added to its sum of digits gives 1212211213010.

It is not an unprimeable number, because it can be changed into a prime (1212211213013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66087407 + ... + 66105746.

It is an arithmetic number, because the mean of its divisors is an integer number (78522733476).

Almost surely, 2^{1212211213010} is an apocalyptic number.

1212211213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212211213010 is an abundant number, since it is smaller than the sum of its proper divisors (1300516258222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212211213010 is a wasteful number, since it uses less digits than its factorization.

1212211213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132193298.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1212211213010 its reverse (103121122121), we get a palindrome (1315332335131).

The spelling of 1212211213010 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred thirteen thousand, ten".