1212001220210 has 48 divisors (see below), whose sum is σ = 2398363285248. Its totient is φ = 440653493280.

The previous prime is 1212001220201. The next prime is 1212001220237. The reversal of 1212001220210 is 120221002121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7375967 + ... + 7538493.

It is an arithmetic number, because the mean of its divisors is an integer number (49965901776).

Almost surely, 2^{1212001220210} is an apocalyptic number.

1212001220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212001220210 is a deficient number, since it is larger than the sum of its proper divisors (1186362065038).

1212001220210 is a wasteful number, since it uses less digits than its factorization.

1212001220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168719 (or 168708 counting only the distinct ones).

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

Adding to 1212001220210 its reverse (120221002121), we get a palindrome (1332222222331).

The spelling of 1212001220210 in words is "one trillion, two hundred twelve billion, one million, two hundred twenty thousand, two hundred ten".