1200000212210 has 64 divisors (see below), whose sum is σ = 2271543782400. Its totient is φ = 455553111552.

The previous prime is 1200000212149. The next prime is 1200000212249. The reversal of 1200000212210 is 122120000021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200000212191 and 1200000212200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15187286 + ... + 15266094.

It is an arithmetic number, because the mean of its divisors is an integer number (35492871600).

Almost surely, 2^{1200000212210} is an apocalyptic number.

1200000212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200000212210 is a deficient number, since it is larger than the sum of its proper divisors (1071543570190).

1200000212210 is a wasteful number, since it uses less digits than its factorization.

1200000212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79355.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200000212210 its reverse (122120000021), we get a palindrome (1322120212231).

The spelling of 1200000212210 in words is "one trillion, two hundred billion, two hundred twelve thousand, two hundred ten".