1212210010 has 16 divisors (see below), whose sum is σ = 2380339872. Its totient is φ = 440803600.

The previous prime is 1212210001. The next prime is 1212210023. The reversal of 1212210010 is 100122121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5509936 + ... + 5510155.

It is an arithmetic number, because the mean of its divisors is an integer number (148771242).

Almost surely, 2^1212210010 is an apocalyptic number.

1212210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210010 is a deficient number, since it is larger than the sum of its proper divisors (1168129862).

1212210010 is a wasteful number, since it uses less digits than its factorization.

1212210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020109.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1212210010 is about 34816.8064302285. The cubic root of 1212210010 is about 1066.2506002076.

Adding to 1212210010 its reverse (100122121), we get a palindrome (1312332131).

The spelling of 1212210010 in words is "one billion, two hundred twelve million, two hundred ten thousand, ten".