1212200120210 has 16 divisors (see below), whose sum is σ = 2232703478016. Its totient is φ = 473603767728.

The previous prime is 1212200120177. The next prime is 1212200120237. The reversal of 1212200120210 is 120210022121.

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, 1409534594 + ... + 1409535453.

It is an arithmetic number, because the mean of its divisors is an integer number (139543967376).

Almost surely, 2^{1212200120210} is an apocalyptic number.

1212200120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212200120210 is a deficient number, since it is larger than the sum of its proper divisors (1020503357806).

1212200120210 is a wasteful number, since it uses less digits than its factorization.

1212200120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819070097.

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

Adding to 1212200120210 its reverse (120210022121), we get a palindrome (1332410142331).

The spelling of 1212200120210 in words is "one trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand, two hundred ten".