1212210210210 has 16 divisors (see below), whose sum is σ = 2909304504576. Its totient is φ = 323256056048.

The previous prime is 1212210210151. The next prime is 1212210210221. The reversal of 1212210210210 is 120120122121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1212210210210.

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, 20203503474 + ... + 20203503533.

It is an arithmetic number, because the mean of its divisors is an integer number (181831531536).

Almost surely, 2^{1212210210210} is an apocalyptic number.

1212210210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210210210 is an abundant number, since it is smaller than the sum of its proper divisors (1697094294366).

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

1212210210210 is a wasteful number, since it uses less digits than its factorization.

1212210210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40407007017.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212210210210 its reverse (120120122121), we get a palindrome (1332330332331).

The spelling of 1212210210210 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred ten thousand, two hundred ten".