1212112202110 has 16 divisors (see below), whose sum is σ = 2181829676976. Its totient is φ = 484838722368.

The previous prime is 1212112202089. The next prime is 1212112202117. The reversal of 1212112202110 is 112022112121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212112202117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104074 + ... + 1560466.

It is an arithmetic number, because the mean of its divisors is an integer number (136364354811).

Almost surely, 2^{1212112202110} is an apocalyptic number.

1212112202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212112202110 is a deficient number, since it is larger than the sum of its proper divisors (969717474866).

1212112202110 is a wasteful number, since it uses less digits than its factorization.

1212112202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539627.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212112202110 its reverse (112022112121), we get a palindrome (1324134314231).

The spelling of 1212112202110 in words is "one trillion, two hundred twelve billion, one hundred twelve million, two hundred two thousand, one hundred ten".